115288646 has 32 divisors (see below), whose sum is σ = 192360960. Its totient is φ = 51386400.

The previous prime is 115288609. The next prime is 115288661. The reversal of 115288646 is 646882511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313955 + ... + 314321.

It is an arithmetic number, because the mean of its divisors is an integer number (6011280).

Almost surely, 2^115288646 is an apocalyptic number.

115288646 is a deficient number, since it is larger than the sum of its proper divisors (77072314).

115288646 is a wasteful number, since it uses less digits than its factorization.

115288646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 92160, while the sum is 41.

The square root of 115288646 is about 10737.2550495925. The cubic root of 115288646 is about 486.7009338687.

It can be divided in two parts, 1152 and 88646, that added together give a palindrome (89798).

The spelling of 115288646 in words is "one hundred fifteen million, two hundred eighty-eight thousand, six hundred forty-six".