445570425 has 72 divisors (see below), whose sum is σ = 889630560. Its totient is φ = 211852800.

The previous prime is 445570397. The next prime is 445570439. The reversal of 445570425 is 524075544.

It is a happy number.

445570425 is a `hidden beast` number, since 4 + 45 + 570 + 42 + 5 = 666.

It is not a de Polignac number, because 445570425 - 2⁵ = 445570393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445570425.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69610 + ... + 75740.

It is an arithmetic number, because the mean of its divisors is an integer number (12355980).

Almost surely, 2^445570425 is an apocalyptic number.

445570425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445570425 is a deficient number, since it is larger than the sum of its proper divisors (444060135).

445570425 is a wasteful number, since it uses less digits than its factorization.

445570425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183 (or 6175 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 445570425 is about 21108.5391488847. The cubic root of 445570425 is about 763.7867478834.

The spelling of 445570425 in words is "four hundred forty-five million, five hundred seventy thousand, four hundred twenty-five".