455665000 has 160 divisors (see below), whose sum is σ = 1250599680. Its totient is φ = 152352000.

The previous prime is 455664997. The next prime is 455665019. The reversal of 455665000 is 566554.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1644862 + ... + 1645138.

It is an arithmetic number, because the mean of its divisors is an integer number (7816248).

Almost surely, 2^455665000 is an apocalyptic number.

455665000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455665000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625299840).

455665000 is an abundant number, since it is smaller than the sum of its proper divisors (794934680).

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

455665000 is a wasteful number, since it uses less digits than its factorization.

455665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 455665000 is about 21346.3111567315. The cubic root of 455665000 is about 769.5116935473.

The spelling of 455665000 in words is "four hundred fifty-five million, six hundred sixty-five thousand".