445525345 has 4 divisors (see below), whose sum is σ = 534630420. Its totient is φ = 356420272.

The previous prime is 445525331. The next prime is 445525363. The reversal of 445525345 is 543525544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66210769 + 379314576 = 8137^2 + 19476^2 .

It is a cyclic number.

It is not a de Polignac number, because 445525345 - 2⁷ = 445525217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44552530 + ... + 44552539.

It is an arithmetic number, because the mean of its divisors is an integer number (133657605).

Almost surely, 2^445525345 is an apocalyptic number.

It is an amenable number.

445525345 is a deficient number, since it is larger than the sum of its proper divisors (89105075).

445525345 is an equidigital number, since it uses as much as digits as its factorization.

445525345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89105074.

The product of its digits is 240000, while the sum is 37.

The square root of 445525345 is about 21107.4713075726. The cubic root of 445525345 is about 763.7609886424.

The spelling of 445525345 in words is "four hundred forty-five million, five hundred twenty-five thousand, three hundred forty-five".