115272645 has 16 divisors (see below), whose sum is σ = 185661312. Its totient is φ = 61070400.

The previous prime is 115272611. The next prime is 115272653. The reversal of 115272645 is 546272511.

It is not a de Polignac number, because 115272645 - 2⁷ = 115272517 is a prime.

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, 23182 + ... + 27711.

It is an arithmetic number, because the mean of its divisors is an integer number (11603832).

Almost surely, 2^115272645 is an apocalyptic number.

115272645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115272645 is a deficient number, since it is larger than the sum of its proper divisors (70388667).

115272645 is a wasteful number, since it uses less digits than its factorization.

115272645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51052.

The product of its digits is 16800, while the sum is 33.

The square root of 115272645 is about 10736.5099077866. The cubic root of 115272645 is about 486.6784162944.

The spelling of 115272645 in words is "one hundred fifteen million, two hundred seventy-two thousand, six hundred forty-five".