115533644 has 6 divisors (see below), whose sum is σ = 202183884. Its totient is φ = 57766820.

The previous prime is 115533643. The next prime is 115533667. The reversal of 115533644 is 446335511.

It is a self number, because there is not a number n which added to its sum of digits gives 115533644.

It is not an unprimeable number, because it can be changed into a prime (115533641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14441702 + ... + 14441709.

It is an arithmetic number, because the mean of its divisors is an integer number (33697314).

Almost surely, 2^115533644 is an apocalyptic number.

It is an amenable number.

115533644 is a deficient number, since it is larger than the sum of its proper divisors (86650240).

115533644 is a wasteful number, since it uses less digits than its factorization.

115533644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28883415 (or 28883413 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 115533644 is about 10748.6577766715. The cubic root of 115533644 is about 487.0454499842.

The spelling of 115533644 in words is "one hundred fifteen million, five hundred thirty-three thousand, six hundred forty-four".