445453525 has 12 divisors (see below), whose sum is σ = 602577504. Its totient is φ = 323966000.

The previous prime is 445453507. The next prime is 445453577. The reversal of 445453525 is 525354544.

It is not a de Polignac number, because 445453525 - 2¹³ = 445445333 is a prime.

It is a Duffinian number.

It is a congruent 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, 809641 + ... + 810190.

It is an arithmetic number, because the mean of its divisors is an integer number (50214792).

Almost surely, 2^445453525 is an apocalyptic number.

It is an amenable number.

445453525 is a deficient number, since it is larger than the sum of its proper divisors (157123979).

445453525 is a wasteful number, since it uses less digits than its factorization.

445453525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619852 (or 1619847 counting only the distinct ones).

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

The square root of 445453525 is about 21105.7699456807. The cubic root of 445453525 is about 763.7199462621.

The spelling of 445453525 in words is "four hundred forty-five million, four hundred fifty-three thousand, five hundred twenty-five".