451315566 has 48 divisors (see below), whose sum is σ = 1081551744. Its totient is φ = 135110592.

The previous prime is 451315561. The next prime is 451315583. The reversal of 451315566 is 665513154.

It is a super-2 number, since 2×451315566² = 407371480227800712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 451315566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451315561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17406 + ... + 34721.

It is an arithmetic number, because the mean of its divisors is an integer number (22532328).

Almost surely, 2^451315566 is an apocalyptic number.

451315566 is an abundant number, since it is smaller than the sum of its proper divisors (630236178).

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

451315566 is a wasteful number, since it uses less digits than its factorization.

451315566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52185 (or 52182 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 451315566 is about 21244.1889936990. The cubic root of 451315566 is about 767.0554692903.

The spelling of 451315566 in words is "four hundred fifty-one million, three hundred fifteen thousand, five hundred sixty-six".