115144144 has 20 divisors (see below), whose sum is σ = 224573920. Its totient is φ = 57189600.

The previous prime is 115144121. The next prime is 115144147. The reversal of 115144144 is 441441511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115144147) 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, 21414 + ... + 26245.

It is an arithmetic number, because the mean of its divisors is an integer number (11228696).

Almost surely, 2^115144144 is an apocalyptic number.

It is an amenable number.

115144144 is a deficient number, since it is larger than the sum of its proper divisors (109429776).

115144144 is a wasteful number, since it uses less digits than its factorization.

115144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47818 (or 47812 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 115144144 is about 10730.5239387460. The cubic root of 115144144 is about 486.4975063134.

Adding to 115144144 its reverse (441441511), we get a palindrome (556585655).

The spelling of 115144144 in words is "one hundred fifteen million, one hundred forty-four thousand, one hundred forty-four".