232402156 has 12 divisors (see below), whose sum is σ = 464804368. Its totient is φ = 99600912.

The previous prime is 232402151. The next prime is 232402193. The reversal of 232402156 is 651204232.

232402156 is an admirable number.

It is a super-2 number, since 2×232402156² = 108021524226896672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232402156.

It is not an unprimeable number, because it can be changed into a prime (232402151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150011 + ... + 4150066.

Almost surely, 2^232402156 is an apocalyptic number.

It is an amenable number.

232402156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

232402156 is a wasteful number, since it uses less digits than its factorization.

232402156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300088 (or 8300086 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 232402156 is about 15244.7419131975. The cubic root of 232402156 is about 614.8182034757.

Adding to 232402156 its reverse (651204232), we get a palindrome (883606388).

The spelling of 232402156 in words is "two hundred thirty-two million, four hundred two thousand, one hundred fifty-six".