115822645 has 4 divisors (see below), whose sum is σ = 138987180. Its totient is φ = 92658112.

The previous prime is 115822639. The next prime is 115822657. The reversal of 115822645 is 546228511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39050001 + 76772644 = 6249^2 + 8762^2 .

It is a cyclic number.

It is not a de Polignac number, because 115822645 - 2⁷ = 115822517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115822645.

It is a congruent number.

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, 11582260 + ... + 11582269.

It is an arithmetic number, because the mean of its divisors is an integer number (34746795).

Almost surely, 2^115822645 is an apocalyptic number.

It is an amenable number.

115822645 is a deficient number, since it is larger than the sum of its proper divisors (23164535).

115822645 is an equidigital number, since it uses as much as digits as its factorization.

115822645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23164534.

The product of its digits is 19200, while the sum is 34.

The square root of 115822645 is about 10762.0929655899. The cubic root of 115822645 is about 487.4512175600.

The spelling of 115822645 in words is "one hundred fifteen million, eight hundred twenty-two thousand, six hundred forty-five".