455621715 has 12 divisors (see below), whose sum is σ = 789744384. Its totient is φ = 242998224.

The previous prime is 455621711. The next prime is 455621741. The reversal of 455621715 is 517126554.

It is not a de Polignac number, because 455621715 - 2² = 455621711 is a prime.

It is a super-2 number, since 2×455621715² = 415182294359082450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 455621715.

It is not an unprimeable number, because it can be changed into a prime (455621711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5062419 + ... + 5062508.

It is an arithmetic number, because the mean of its divisors is an integer number (65812032).

Almost surely, 2^455621715 is an apocalyptic number.

455621715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

455621715 is a deficient number, since it is larger than the sum of its proper divisors (334122669).

455621715 is a wasteful number, since it uses less digits than its factorization.

455621715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124938 (or 10124935 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 455621715 is about 21345.2972572415. The cubic root of 455621715 is about 769.4873266927.

It can be divided in two parts, 455 and 621715, that added together give a triangular number (622170 = T₁₁₁₅).

The spelling of 455621715 in words is "four hundred fifty-five million, six hundred twenty-one thousand, seven hundred fifteen".