115490812 has 24 divisors (see below), whose sum is σ = 206049312. Its totient is φ = 56625600.

The previous prime is 115490743. The next prime is 115490833. The reversal of 115490812 is 218094511.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 122262 + ... + 123202.

It is an arithmetic number, because the mean of its divisors is an integer number (8585388).

Almost surely, 2^115490812 is an apocalyptic number.

It is an amenable number.

115490812 is a deficient number, since it is larger than the sum of its proper divisors (90558500).

115490812 is a wasteful number, since it uses less digits than its factorization.

115490812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 115490812 is about 10746.6651571546. The cubic root of 115490812 is about 486.9852547935.

The spelling of 115490812 in words is "one hundred fifteen million, four hundred ninety thousand, eight hundred twelve".