115645025 has 6 divisors (see below), whose sum is σ = 143399862. Its totient is φ = 92516000.

The previous prime is 115644941. The next prime is 115645043. The reversal of 115645025 is 520546511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19918369 + 95726656 = 4463^2 + 9784^2 .

It is not a de Polignac number, because 115645025 - 2²⁴ = 98867809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2312876 + ... + 2312925.

It is an arithmetic number, because the mean of its divisors is an integer number (23899977).

Almost surely, 2^115645025 is an apocalyptic number.

It is an amenable number.

115645025 is a deficient number, since it is larger than the sum of its proper divisors (27754837).

115645025 is an equidigital number, since it uses as much as digits as its factorization.

115645025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625811 (or 4625806 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 115645025 is about 10753.8376870771. The cubic root of 115645025 is about 487.2019128814.

The spelling of 115645025 in words is "one hundred fifteen million, six hundred forty-five thousand, twenty-five".