445321304 has 8 divisors (see below), whose sum is σ = 834977460. Its totient is φ = 222660648.

The previous prime is 445321223. The next prime is 445321313. The reversal of 445321304 is 403123544.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×445321304² = 396622127592520832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27832574 + ... + 27832589.

Almost surely, 2^445321304 is an apocalyptic number.

It is an amenable number.

445321304 is a deficient number, since it is larger than the sum of its proper divisors (389656156).

445321304 is a wasteful number, since it uses less digits than its factorization.

445321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55665169 (or 55665165 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 445321304 is about 21102.6373707174. The cubic root of 445321304 is about 763.6443754846.

Adding to 445321304 its reverse (403123544), we get a palindrome (848444848).

The spelling of 445321304 in words is "four hundred forty-five million, three hundred twenty-one thousand, three hundred four".