115644965 has 8 divisors (see below), whose sum is σ = 146937240. Its totient is φ = 87073792.

The previous prime is 115644941. The next prime is 115645043. The reversal of 115644965 is 569446511.

It can be written as a sum of positive squares in 4 ways, for example, as 3157729 + 112487236 = 1777^2 + 10606^2 .

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 115644965 - 2²⁰ = 114596389 is a prime.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 680180 + ... + 680349.

It is an arithmetic number, because the mean of its divisors is an integer number (18367155).

Almost surely, 2^115644965 is an apocalyptic number.

It is an amenable number.

115644965 is a deficient number, since it is larger than the sum of its proper divisors (31292275).

115644965 is a wasteful number, since it uses less digits than its factorization.

115644965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360551.

The product of its digits is 129600, while the sum is 41.

The square root of 115644965 is about 10753.8348973750. The cubic root of 115644965 is about 487.2018286233.

The spelling of 115644965 in words is "one hundred fifteen million, six hundred forty-four thousand, nine hundred sixty-five".