115318542 has 32 divisors (see below), whose sum is σ = 236888064. Its totient is φ = 37407200.

The previous prime is 115318537. The next prime is 115318559. The reversal of 115318542 is 245813511.

It is a super-2 number, since 2×115318542² = 26596732258011528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52792 + ... + 54932.

It is an arithmetic number, because the mean of its divisors is an integer number (7402752).

Almost surely, 2^115318542 is an apocalyptic number.

115318542 is an abundant number, since it is smaller than the sum of its proper divisors (121569522).

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

115318542 is a wasteful number, since it uses less digits than its factorization.

115318542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its digits is 4800, while the sum is 30.

The square root of 115318542 is about 10738.6471214953. The cubic root of 115318542 is about 486.7429997445.

The spelling of 115318542 in words is "one hundred fifteen million, three hundred eighteen thousand, five hundred forty-two".