115135144 has 16 divisors (see below), whose sum is σ = 217173600. Its totient is φ = 57222192.

The previous prime is 115135109. The next prime is 115135159. The reversal of 115135144 is 441531511.

It is a super-2 number, since 2×115135144² = 26512202767801472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41754 + ... + 44425.

It is an arithmetic number, because the mean of its divisors is an integer number (13573350).

Almost surely, 2^115135144 is an apocalyptic number.

It is an amenable number.

115135144 is a deficient number, since it is larger than the sum of its proper divisors (102038456).

115135144 is a wasteful number, since it uses less digits than its factorization.

115135144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86352 (or 86348 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 115135144 is about 10730.1045661261. The cubic root of 115135144 is about 486.4848306314.

Adding to 115135144 its reverse (441531511), we get a palindrome (556666655).

The spelling of 115135144 in words is "one hundred fifteen million, one hundred thirty-five thousand, one hundred forty-four".