455152621 has 12 divisors (see below), whose sum is σ = 577596960. Its totient is φ = 354663960.

The previous prime is 455152567. The next prime is 455152631. The reversal of 455152621 is 126251554.

It is not a de Polignac number, because 455152621 - 2⁷ = 455152493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455152631) 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, 421681 + ... + 422758.

It is an arithmetic number, because the mean of its divisors is an integer number (48133080).

Almost surely, 2^455152621 is an apocalyptic number.

It is an amenable number.

455152621 is a deficient number, since it is larger than the sum of its proper divisors (122444339).

455152621 is a wasteful number, since it uses less digits than its factorization.

455152621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844464 (or 844457 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 455152621 is about 21334.3061991713. The cubic root of 455152621 is about 769.2231559085.

The spelling of 455152621 in words is "four hundred fifty-five million, one hundred fifty-two thousand, six hundred twenty-one".