115157432 has 32 divisors (see below), whose sum is σ = 234101280. Its totient is φ = 52790400.

The previous prime is 115157417. The next prime is 115157477. The reversal of 115157432 is 234751511.

It is a super-2 number, since 2×115157432² = 26522468289669248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 115157395 and 115157404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12038 + ... + 19370.

It is an arithmetic number, because the mean of its divisors is an integer number (7315665).

Almost surely, 2^115157432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115157432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117050640).

115157432 is an abundant number, since it is smaller than the sum of its proper divisors (118943848).

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

115157432 is a wasteful number, since it uses less digits than its factorization.

115157432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7499 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 115157432 is about 10731.1430891588. The cubic root of 115157432 is about 486.5162200461.

The spelling of 115157432 in words is "one hundred fifteen million, one hundred fifty-seven thousand, four hundred thirty-two".