454462856 has 16 divisors (see below), whose sum is σ = 859937100. Its totient is φ = 225146304.

The previous prime is 454462817. The next prime is 454462861. The reversal of 454462856 is 658264454.

It can be written as a sum of positive squares in 2 ways, for example, as 452242756 + 2220100 = 21266^2 + 1490^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259715 + ... + 261458.

Almost surely, 2^454462856 is an apocalyptic number.

It is an amenable number.

454462856 is a deficient number, since it is larger than the sum of its proper divisors (405474244).

454462856 is a wasteful number, since it uses less digits than its factorization.

454462856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521288 (or 521284 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The square root of 454462856 is about 21318.1344399551. The cubic root of 454462856 is about 768.8343841448.

The spelling of 454462856 in words is "four hundred fifty-four million, four hundred sixty-two thousand, eight hundred fifty-six".