151215155 has 32 divisors (see below), whose sum is σ = 225456000. Its totient is φ = 94804992.

The previous prime is 151215149. The next prime is 151215191. The reversal of 151215155 is 551512151.

It is a cyclic number.

It is not a de Polignac number, because 151215155 - 2¹² = 151211059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48071 + ... + 51119.

It is an arithmetic number, because the mean of its divisors is an integer number (7045500).

Almost surely, 2^151215155 is an apocalyptic number.

151215155 is a deficient number, since it is larger than the sum of its proper divisors (74240845).

151215155 is a wasteful number, since it uses less digits than its factorization.

151215155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its digits is 1250, while the sum is 26.

The square root of 151215155 is about 12296.9571439442. The cubic root of 151215155 is about 532.7601996376.

The spelling of 151215155 in words is "one hundred fifty-one million, two hundred fifteen thousand, one hundred fifty-five".