445170225 has 12 divisors (see below), whose sum is σ = 736014896. Its totient is φ = 237424080.

The previous prime is 445170149. The next prime is 445170233. The reversal of 445170225 is 522071544.

It is not a de Polignac number, because 445170225 - 2⁹ = 445169713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445170192 and 445170201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2967727 + ... + 2967876.

Almost surely, 2^445170225 is an apocalyptic number.

It is an amenable number.

445170225 is a deficient number, since it is larger than the sum of its proper divisors (290844671).

445170225 is a wasteful number, since it uses less digits than its factorization.

445170225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935616 (or 5935611 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 445170225 is about 21099.0574434025. The cubic root of 445170225 is about 763.5580081232.

The spelling of 445170225 in words is "four hundred forty-five million, one hundred seventy thousand, two hundred twenty-five".