115013144 has 32 divisors (see below), whose sum is σ = 219585600. Its totient is φ = 56467200.

The previous prime is 115013141. The next prime is 115013147. The reversal of 115013144 is 441310511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115013141) and next prime (115013147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115013141) 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, 110177 + ... + 111215.

It is an arithmetic number, because the mean of its divisors is an integer number (6862050).

Almost surely, 2^115013144 is an apocalyptic number.

It is an amenable number.

115013144 is a deficient number, since it is larger than the sum of its proper divisors (104572456).

115013144 is a wasteful number, since it uses less digits than its factorization.

115013144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 115013144 is about 10724.4181194133. The cubic root of 115013144 is about 486.3129395160.

Adding to 115013144 its reverse (441310511), we get a palindrome (556323655).

The spelling of 115013144 in words is "one hundred fifteen million, thirteen thousand, one hundred forty-four".