445942004 has 12 divisors (see below), whose sum is σ = 782004384. Its totient is φ = 222512184.

The previous prime is 445941997. The next prime is 445942039. The reversal of 445942004 is 400249544.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 112514 + ... + 116409.

It is an arithmetic number, because the mean of its divisors is an integer number (65167032).

Almost surely, 2^445942004 is an apocalyptic number.

It is an amenable number.

445942004 is a deficient number, since it is larger than the sum of its proper divisors (336062380).

445942004 is a wasteful number, since it uses less digits than its factorization.

445942004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229414 (or 229412 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 445942004 is about 21117.3389422058. The cubic root of 445942004 is about 763.9990063308. Note that the first 3 decimals are identical.

The spelling of 445942004 in words is "four hundred forty-five million, nine hundred forty-two thousand, four".