445451460 has 48 divisors (see below), whose sum is σ = 1248863616. Its totient is φ = 118634752.

The previous prime is 445451441. The next prime is 445451467. The reversal of 445451460 is 64154544.

It is a super-2 number, since 2×445451460² = 396854006432263200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445451467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47089 + ... + 55751.

It is an arithmetic number, because the mean of its divisors is an integer number (26017992).

Almost surely, 2^445451460 is an apocalyptic number.

It is an amenable number.

445451460 is an abundant number, since it is smaller than the sum of its proper divisors (803412156).

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

445451460 is a wasteful number, since it uses less digits than its factorization.

445451460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532 (or 9530 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 445451460 is about 21105.7210253523. The cubic root of 445451460 is about 763.7187661284.

The spelling of 445451460 in words is "four hundred forty-five million, four hundred fifty-one thousand, four hundred sixty".