115165312 has 32 divisors (see below), whose sum is σ = 235641420. Its totient is φ = 56024064.

The previous prime is 115165261. The next prime is 115165313. The reversal of 115165312 is 213561511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103713856 + 11451456 = 10184^2 + 3384^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (115165313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7423 + ... + 16894.

Almost surely, 2^115165312 is an apocalyptic number.

It is an amenable number.

115165312 is an abundant number, since it is smaller than the sum of its proper divisors (120476108).

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

115165312 is an equidigital number, since it uses as much as digits as its factorization.

115165312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24368 (or 24356 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 115165312 is about 10731.5102385452. The cubic root of 115165312 is about 486.5273169138.

The spelling of 115165312 in words is "one hundred fifteen million, one hundred sixty-five thousand, three hundred twelve".