115643144 has 16 divisors (see below), whose sum is σ = 223825920. Its totient is φ = 55956240.

The previous prime is 115643141. The next prime is 115643159. The reversal of 115643144 is 441346511.

It is not an unprimeable number, because it can be changed into a prime (115643141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232904 + ... + 233399.

It is an arithmetic number, because the mean of its divisors is an integer number (13989120).

Almost surely, 2^115643144 is an apocalyptic number.

It is an amenable number.

115643144 is a deficient number, since it is larger than the sum of its proper divisors (108182776).

115643144 is a wasteful number, since it uses less digits than its factorization.

115643144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466340 (or 466336 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 115643144 is about 10753.7502295711. The cubic root of 115643144 is about 487.1992713735.

Adding to 115643144 its reverse (441346511), we get a palindrome (556989655).

The spelling of 115643144 in words is "one hundred fifteen million, six hundred forty-three thousand, one hundred forty-four".