232156155 has 128 divisors (see below), whose sum is σ = 497664000. Its totient is φ = 89510400.

The previous prime is 232156153. The next prime is 232156159. The reversal of 232156155 is 551651232.

It is a happy number.

It is not a de Polignac number, because 232156155 - 2¹ = 232156153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232156153) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1558021 + ... + 1558169.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^232156155 is an apocalyptic number.

232156155 is an abundant number, since it is smaller than the sum of its proper divisors (265507845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232156155 is a wasteful number, since it uses less digits than its factorization.

232156155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 9000, while the sum is 30.

The square root of 232156155 is about 15236.6713884628. The cubic root of 232156155 is about 614.6011956071.

The spelling of 232156155 in words is "two hundred thirty-two million, one hundred fifty-six thousand, one hundred fifty-five".