115264144 has 10 divisors (see below), whose sum is σ = 223324310. Its totient is φ = 57632064.

The previous prime is 115264103. The next prime is 115264147. The reversal of 115264144 is 441462511.

It can be written as a sum of positive squares in only one way, i.e., 114918400 + 345744 = 10720^2 + 588^2 .

It is not an unprimeable number, because it can be changed into a prime (115264147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3601989 + ... + 3602020.

It is an arithmetic number, because the mean of its divisors is an integer number (22332431).

Almost surely, 2^115264144 is an apocalyptic number.

It is an amenable number.

115264144 is a deficient number, since it is larger than the sum of its proper divisors (108060166).

115264144 is an equidigital number, since it uses as much as digits as its factorization.

115264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204017 (or 7204011 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 115264144 is about 10736.1140083365. The cubic root of 115264144 is about 486.6664523258. Note that the first 3 decimals are identical.

The spelling of 115264144 in words is "one hundred fifteen million, two hundred sixty-four thousand, one hundred forty-four".