1455374856 has 64 divisors (see below), whose sum is σ = 4044741120. Its totient is φ = 433359360.

The previous prime is 1455374839. The next prime is 1455374891. The reversal of 1455374856 is 6584735541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65565 + ... + 84908.

It is an arithmetic number, because the mean of its divisors is an integer number (63199080).

Almost surely, 2^1455374856 is an apocalyptic number.

It is an amenable number.

1455374856 is an abundant number, since it is smaller than the sum of its proper divisors (2589366264).

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

1455374856 is a wasteful number, since it uses less digits than its factorization.

1455374856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150526 (or 150522 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The square root of 1455374856 is about 38149.3755650076. The cubic root of 1455374856 is about 1133.2479858067.

The spelling of 1455374856 in words is "one billion, four hundred fifty-five million, three hundred seventy-four thousand, eight hundred fifty-six".