113644158 has 8 divisors (see below), whose sum is σ = 227288328. Its totient is φ = 37881384.

The previous prime is 113644051. The next prime is 113644177. The reversal of 113644158 is 851446311.

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

113644158 is an admirable number.

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, 9470341 + ... + 9470352.

It is an arithmetic number, because the mean of its divisors is an integer number (28411041).

Almost surely, 2^113644158 is an apocalyptic number.

113644158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113644158 is a wasteful number, since it uses less digits than its factorization.

113644158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18940698.

The product of its digits is 11520, while the sum is 33.

The square root of 113644158 is about 10660.4013995722. The cubic root of 113644158 is about 484.3757270776.

The spelling of 113644158 in words is "one hundred thirteen million, six hundred forty-four thousand, one hundred fifty-eight".