856496154 has 8 divisors (see below), whose sum is σ = 1712992320. Its totient is φ = 285498716.

The previous prime is 856496141. The next prime is 856496161. The reversal of 856496154 is 451694658.

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

856496154 is an admirable 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, 71374674 + ... + 71374685.

It is an arithmetic number, because the mean of its divisors is an integer number (214124040).

Almost surely, 2^856496154 is an apocalyptic number.

856496154 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.

856496154 is a wasteful number, since it uses less digits than its factorization.

856496154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142749364.

The product of its digits is 1036800, while the sum is 48.

The square root of 856496154 is about 29265.9555456506. The cubic root of 856496154 is about 949.6752921677.

The spelling of 856496154 in words is "eight hundred fifty-six million, four hundred ninety-six thousand, one hundred fifty-four".