115318572 has 12 divisors (see below), whose sum is σ = 269076696. Its totient is φ = 38439520.

The previous prime is 115318571. The next prime is 115318597. The reversal of 115318572 is 275813511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (115318571) 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, 4804929 + ... + 4804952.

It is an arithmetic number, because the mean of its divisors is an integer number (22423058).

Almost surely, 2^115318572 is an apocalyptic number.

115318572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115318572 is an abundant number, since it is smaller than the sum of its proper divisors (153758124).

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

115318572 is a wasteful number, since it uses less digits than its factorization.

115318572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609888 (or 9609886 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

The square root of 115318572 is about 10738.6485183192. The cubic root of 115318572 is about 486.7430419530.

The spelling of 115318572 in words is "one hundred fifteen million, three hundred eighteen thousand, five hundred seventy-two".