115531244 has 12 divisors (see below), whose sum is σ = 209151600. Its totient is φ = 55773648.

The previous prime is 115531243. The next prime is 115531261. The reversal of 115531244 is 442135511.

115531244 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

115531244 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (115531243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497864 + ... + 498095.

It is an arithmetic number, because the mean of its divisors is an integer number (17429300).

Almost surely, 2^115531244 is an apocalyptic number.

It is an amenable number.

115531244 is a deficient number, since it is larger than the sum of its proper divisors (93620356).

115531244 is a wasteful number, since it uses less digits than its factorization.

115531244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995992 (or 995990 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 115531244 is about 10748.5461342453. The cubic root of 115531244 is about 487.0420774683.

Adding to 115531244 its reverse (442135511), we get a palindrome (557666755).

The spelling of 115531244 in words is "one hundred fifteen million, five hundred thirty-one thousand, two hundred forty-four".