115708645 has 8 divisors (see below), whose sum is σ = 149531256. Its totient is φ = 85446336.

The previous prime is 115708631. The next prime is 115708661. The reversal of 115708645 is 546807511.

It can be written as a sum of positive squares in 4 ways, for example, as 4068289 + 111640356 = 2017^2 + 10566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115708645 - 2⁷ = 115708517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890002 + ... + 890131.

It is an arithmetic number, because the mean of its divisors is an integer number (18691407).

Almost surely, 2^115708645 is an apocalyptic number.

It is an amenable number.

115708645 is a deficient number, since it is larger than the sum of its proper divisors (33822611).

115708645 is a wasteful number, since it uses less digits than its factorization.

115708645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780151.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 115708645 is about 10756.7952941385. The cubic root of 115708645 is about 487.2912382502.

The spelling of 115708645 in words is "one hundred fifteen million, seven hundred eight thousand, six hundred forty-five".