105857156 has 12 divisors (see below), whose sum is σ = 187595520. Its totient is φ = 52258440.

The previous prime is 105857123. The next prime is 105857161. The reversal of 105857156 is 651758501.

It is a happy number.

It is a super-2 number, since 2×105857156² = 22411474952816672, which contains 22 as substring.

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, 167180 + ... + 167811.

It is an arithmetic number, because the mean of its divisors is an integer number (15632960).

Almost surely, 2^105857156 is an apocalyptic number.

It is an amenable number.

105857156 is a deficient number, since it is larger than the sum of its proper divisors (81738364).

105857156 is a wasteful number, since it uses less digits than its factorization.

105857156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335074 (or 335072 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 38.

The square root of 105857156 is about 10288.6906844360. The cubic root of 105857156 is about 473.0496664857.

The spelling of 105857156 in words is "one hundred five million, eight hundred fifty-seven thousand, one hundred fifty-six".