445285330 has 64 divisors (see below), whose sum is σ = 982575360. Its totient is φ = 141882624.

The previous prime is 445285307. The next prime is 445285391. The reversal of 445285330 is 33582544.

It is a super-2 number, since 2×445285330² = 396558050226417800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67332 + ... + 73648.

It is an arithmetic number, because the mean of its divisors is an integer number (15352740).

Almost surely, 2^445285330 is an apocalyptic number.

445285330 is an abundant number, since it is smaller than the sum of its proper divisors (537290030).

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

445285330 is a wasteful number, since it uses less digits than its factorization.

445285330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 445285330 is about 21101.7849955875. The cubic root of 445285330 is about 763.6238119931.

The spelling of 445285330 in words is "four hundred forty-five million, two hundred eighty-five thousand, three hundred thirty".