445242404 has 6 divisors (see below), whose sum is σ = 779174214. Its totient is φ = 222621200.

The previous prime is 445242377. The next prime is 445242433. The reversal of 445242404 is 404242544.

It can be written as a sum of positive squares in only one way, i.e., 440916004 + 4326400 = 20998^2 + 2080^2 .

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 as a sum of consecutive naturals, namely, 55655297 + ... + 55655304.

It is an arithmetic number, because the mean of its divisors is an integer number (129862369).

Almost surely, 2^445242404 is an apocalyptic number.

It is an amenable number.

445242404 is a deficient number, since it is larger than the sum of its proper divisors (333931810).

445242404 is a wasteful number, since it uses less digits than its factorization.

445242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111310605 (or 111310603 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 445242404 is about 21100.7678533270. The cubic root of 445242404 is about 763.5992731435.

Adding to 445242404 its reverse (404242544), we get a palindrome (849484948).

The spelling of 445242404 in words is "four hundred forty-five million, two hundred forty-two thousand, four hundred four".