The number 151 is the number 15 which manifested its essence through unity. That is, the number 151 is active creativity or a ruthless war not for a specific purpose, but for the sake of accumulating (or demonstrating) strength, authority.
At higher levels of being and consciousness, the number 151 expresses the energy of the Universe, which wants to strengthen itself through Creativity. What is the creative work of the universe? In the generation of mirrors, in which the human essence is reflected ..
But I would not want to distract you, leaving in this difficult area. Just showed you that spiritual numerology (to which my site is dedicated) extends far beyond the straightforward interpretation of numbers.
And of course spiritual numerology has nothing to do with arithmetic, which so thoughtlessly and foully clogged the traditional numerology, thereby hopelessly distorting the very essence of numbers.