115144816 has 20 divisors (see below), whose sum is σ = 224595000. Its totient is φ = 57184832.

The previous prime is 115144811. The next prime is 115144829. The reversal of 115144816 is 618441511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115144811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21766 + ... + 26533.

It is an arithmetic number, because the mean of its divisors is an integer number (11229750).

Almost surely, 2^115144816 is an apocalyptic number.

115144816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115144816 is a deficient number, since it is larger than the sum of its proper divisors (109450184).

115144816 is a wasteful number, since it uses less digits than its factorization.

115144816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48456 (or 48450 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 115144816 is about 10730.5552512440. Note that the first 3 decimals coincide. The cubic root of 115144816 is about 486.4984527378.

The spelling of 115144816 in words is "one hundred fifteen million, one hundred forty-four thousand, eight hundred sixteen".