115543144 has 16 divisors (see below), whose sum is σ = 217006020. Its totient is φ = 57674880.

The previous prime is 115543121. The next prime is 115543151. The reversal of 115543144 is 441345511.

It can be written as a sum of positive squares in 2 ways, for example, as 87048900 + 28494244 = 9330^2 + 5338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6877 + ... + 16684.

Almost surely, 2^115543144 is an apocalyptic number.

It is an amenable number.

115543144 is a deficient number, since it is larger than the sum of its proper divisors (101462876).

115543144 is a wasteful number, since it uses less digits than its factorization.

115543144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180 (or 24176 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 115543144 is about 10749.0996832293. The cubic root of 115543144 is about 487.0587990682.

Adding to 115543144 its reverse (441345511), we get a palindrome (556888655).

The spelling of 115543144 in words is "one hundred fifteen million, five hundred forty-three thousand, one hundred forty-four".