115564250 has 32 divisors (see below), whose sum is σ = 217002240. Its totient is φ = 46083600.

The previous prime is 115564243. The next prime is 115564271. The reversal of 115564250 is 52465511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125291 + ... + 126209.

It is an arithmetic number, because the mean of its divisors is an integer number (6781320).

Almost surely, 2^115564250 is an apocalyptic number.

115564250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115564250 is a deficient number, since it is larger than the sum of its proper divisors (101437990).

115564250 is an equidigital number, since it uses as much as digits as its factorization.

115564250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 115564250 is about 10750.0813950407. The cubic root of 115564250 is about 487.0884538990.

The spelling of 115564250 in words is "one hundred fifteen million, five hundred sixty-four thousand, two hundred fifty".