445479425 has 12 divisors (see below), whose sum is σ = 554813820. Its totient is φ = 354822720.

The previous prime is 445479421. The next prime is 445479427. The reversal of 445479425 is 524974544.

It can be written as a sum of positive squares in 6 ways, for example, as 76877824 + 368601601 = 8768^2 + 19199^2 .

It is not a de Polignac number, because 445479425 - 2² = 445479421 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (445479421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33182 + ... + 44631.

It is an arithmetic number, because the mean of its divisors is an integer number (46234485).

Almost surely, 2^445479425 is an apocalyptic number.

It is an amenable number.

445479425 is a deficient number, since it is larger than the sum of its proper divisors (109334395).

445479425 is a wasteful number, since it uses less digits than its factorization.

445479425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78052 (or 78047 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 445479425 is about 21106.3835130512. The cubic root of 445479425 is about 763.7347476290.

The spelling of 445479425 in words is "four hundred forty-five million, four hundred seventy-nine thousand, four hundred twenty-five".