115643858 has 16 divisors (see below), whose sum is σ = 189453600. Its totient is φ = 52504800.

The previous prime is 115643849. The next prime is 115643867. The reversal of 115643858 is 858346511.

It is an interprime number because it is at equal distance from previous prime (115643849) and next prime (115643867).

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, 20573 + ... + 25583.

It is an arithmetic number, because the mean of its divisors is an integer number (11840850).

Almost surely, 2^115643858 is an apocalyptic number.

115643858 is a deficient number, since it is larger than the sum of its proper divisors (73809742).

115643858 is a wasteful number, since it uses less digits than its factorization.

115643858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073.

The product of its digits is 115200, while the sum is 41.

The square root of 115643858 is about 10753.7834272409. The cubic root of 115643858 is about 487.2002740545.

The spelling of 115643858 in words is "one hundred fifteen million, six hundred forty-three thousand, eight hundred fifty-eight".