115243144 has 8 divisors (see below), whose sum is σ = 216080910. Its totient is φ = 57621568.

The previous prime is 115243111. The next prime is 115243159. The reversal of 115243144 is 441342511.

It can be written as a sum of positive squares in only one way, i.e., 93508900 + 21734244 = 9670^2 + 4662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7202689 + ... + 7202704.

Almost surely, 2^115243144 is an apocalyptic number.

It is an amenable number.

115243144 is a deficient number, since it is larger than the sum of its proper divisors (100837766).

115243144 is a wasteful number, since it uses less digits than its factorization.

115243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405399 (or 14405395 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 115243144 is about 10735.1359562886. The cubic root of 115243144 is about 486.6368952410.

Adding to 115243144 its reverse (441342511), we get a palindrome (556585655).

The spelling of 115243144 in words is "one hundred fifteen million, two hundred forty-three thousand, one hundred forty-four".