855393154 has 32 divisors (see below), whose sum is σ = 1623591936. Its totient is φ = 328291920.

The previous prime is 855393113. The next prime is 855393157. The reversal of 855393154 is 451393558.

It is a self number, because there is not a number n which added to its sum of digits gives 855393154.

It is not an unprimeable number, because it can be changed into a prime (855393157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31134 + ... + 51769.

It is an arithmetic number, because the mean of its divisors is an integer number (50737248).

Almost surely, 2^855393154 is an apocalyptic number.

855393154 is a deficient number, since it is larger than the sum of its proper divisors (768198782).

855393154 is a wasteful number, since it uses less digits than its factorization.

855393154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82990.

The product of its digits is 324000, while the sum is 43.

The square root of 855393154 is about 29247.1050533211. The cubic root of 855393154 is about 949.2674515255.

The spelling of 855393154 in words is "eight hundred fifty-five million, three hundred ninety-three thousand, one hundred fifty-four".