115245992 has 32 divisors (see below), whose sum is σ = 229343400. Its totient is φ = 54104064.

The previous prime is 115245989. The next prime is 115245997. The reversal of 115245992 is 299542511.

It can be written as a sum of positive squares in 4 ways, for example, as 93586276 + 21659716 = 9674^2 + 4654^2 .

It is not an unprimeable number, because it can be changed into a prime (115245997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79934 + ... + 81362.

Almost surely, 2^115245992 is an apocalyptic number.

It is an amenable number.

115245992 is a deficient number, since it is larger than the sum of its proper divisors (114097408).

115245992 is a wasteful number, since it uses less digits than its factorization.

115245992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2041 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 115245992 is about 10735.2686039987. The cubic root of 115245992 is about 486.6409039551.

The spelling of 115245992 in words is "one hundred fifteen million, two hundred forty-five thousand, nine hundred ninety-two".