115539232 has 24 divisors (see below), whose sum is σ = 234807552. Its totient is φ = 55905600.

The previous prime is 115539187. The next prime is 115539239. The reversal of 115539232 is 232935511.

It is a super-2 number, since 2×115539232² = 26698628262299648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 115539194 and 115539203.

It is not an unprimeable number, because it can be changed into a prime (115539239) 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, 57244 + ... + 59227.

It is an arithmetic number, because the mean of its divisors is an integer number (9783648).

Almost surely, 2^115539232 is an apocalyptic number.

It is an amenable number.

115539232 is an abundant number, since it is smaller than the sum of its proper divisors (119268320).

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

115539232 is a wasteful number, since it uses less digits than its factorization.

115539232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116512 (or 116504 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 115539232 is about 10748.9177129607. The cubic root of 115539232 is about 487.0533021446.

The spelling of 115539232 in words is "one hundred fifteen million, five hundred thirty-nine thousand, two hundred thirty-two".