115315432 has 16 divisors (see below), whose sum is σ = 216581760. Its totient is φ = 57560304.

The previous prime is 115315429. The next prime is 115315433. The reversal of 115315432 is 234513511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115315397 and 115315406.

It is not an unprimeable number, because it can be changed into a prime (115315433) 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, 7018 + ... + 16729.

It is an arithmetic number, because the mean of its divisors is an integer number (13536360).

Almost surely, 2^115315432 is an apocalyptic number.

It is an amenable number.

115315432 is a deficient number, since it is larger than the sum of its proper divisors (101266328).

115315432 is a wasteful number, since it uses less digits than its factorization.

115315432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24360 (or 24356 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 115315432 is about 10738.5023164313. The cubic root of 115315432 is about 486.7386240841.

Adding to 115315432 its reverse (234513511), we get a palindrome (349828943).

The spelling of 115315432 in words is "one hundred fifteen million, three hundred fifteen thousand, four hundred thirty-two".