455215000 has 80 divisors (see below), whose sum is σ = 1074593520. Its totient is φ = 180720000.

The previous prime is 455214997. The next prime is 455215021. The reversal of 455215000 is 512554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 904749 + ... + 905251.

It is an arithmetic number, because the mean of its divisors is an integer number (13432419).

Almost surely, 2^455215000 is an apocalyptic number.

455215000 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 455215000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537296760).

455215000 is an abundant number, since it is smaller than the sum of its proper divisors (619378520).

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

455215000 is a wasteful number, since it uses less digits than its factorization.

455215000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 455215000 is about 21335.7680902282. The cubic root of 455215000 is about 769.2582951689.

Adding to 455215000 its reverse (512554), we get a palindrome (455727554).

The spelling of 455215000 in words is "four hundred fifty-five million, two hundred fifteen thousand".