445315625 has 12 divisors (see below), whose sum is σ = 556612812. Its totient is φ = 356250000.

The previous prime is 445315603. The next prime is 445315631. The reversal of 445315625 is 526513544.

It can be written as a sum of positive squares in 6 ways, for example, as 394578496 + 50737129 = 19864^2 + 7123^2 .

It is a de Polignac number, because none of the positive numbers 2^k-445315625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68126 + ... + 74375.

It is an arithmetic number, because the mean of its divisors is an integer number (46384401).

Almost surely, 2^445315625 is an apocalyptic number.

It is an amenable number.

445315625 is a deficient number, since it is larger than the sum of its proper divisors (111297187).

445315625 is an frugal number, since it uses more digits than its factorization.

445315625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142526 (or 142506 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 445315625 is about 21102.5028136475. The cubic root of 445315625 is about 763.6411293229.

The spelling of 445315625 in words is "four hundred forty-five million, three hundred fifteen thousand, six hundred twenty-five".