156145155 has 32 divisors (see below), whose sum is σ = 256094784. Its totient is φ = 81209856.

The previous prime is 156145141. The next prime is 156145163. The reversal of 156145155 is 551541651.

It is not a de Polignac number, because 156145155 - 2⁵ = 156145123 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, 156117 + ... + 157113.

It is an arithmetic number, because the mean of its divisors is an integer number (8002962).

Almost surely, 2^156145155 is an apocalyptic number.

156145155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

156145155 is a deficient number, since it is larger than the sum of its proper divisors (99949629).

156145155 is a wasteful number, since it uses less digits than its factorization.

156145155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255.

The product of its digits is 15000, while the sum is 33.

The square root of 156145155 is about 12495.8054962455. The cubic root of 156145155 is about 538.4881753097.

The spelling of 156145155 in words is "one hundred fifty-six million, one hundred forty-five thousand, one hundred fifty-five".