115857372 has 12 divisors (see below), whose sum is σ = 270333896. Its totient is φ = 38619120.

The previous prime is 115857367. The next prime is 115857373. The reversal of 115857372 is 273758511.

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

It is a self number, because there is not a number n which added to its sum of digits gives 115857372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115857373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4827379 + ... + 4827402.

Almost surely, 2^115857372 is an apocalyptic number.

115857372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115857372 is an abundant number, since it is smaller than the sum of its proper divisors (154476524).

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

115857372 is a wasteful number, since it uses less digits than its factorization.

115857372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654788 (or 9654786 counting only the distinct ones).

The product of its digits is 58800, while the sum is 39.

The square root of 115857372 is about 10763.7062390238. The cubic root of 115857372 is about 487.4999300460.

The spelling of 115857372 in words is "one hundred fifteen million, eight hundred fifty-seven thousand, three hundred seventy-two".