445273125 has 40 divisors (see below), whose sum is σ = 809365920. Its totient is φ = 215880000.

The previous prime is 445273121. The next prime is 445273183. The reversal of 445273125 is 521372544.

It is not a de Polignac number, because 445273125 - 2² = 445273121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445273121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9831 + ... + 31419.

It is an arithmetic number, because the mean of its divisors is an integer number (20234148).

Almost surely, 2^445273125 is an apocalyptic number.

It is an amenable number.

445273125 is a deficient number, since it is larger than the sum of its proper divisors (364092795).

445273125 is a wasteful number, since it uses less digits than its factorization.

445273125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623 (or 21608 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 445273125 is about 21101.4958000612. The cubic root of 445273125 is about 763.6168351079.

It can be divided in two parts, 4452 and 73125, that added together give a palindrome (77577).

The spelling of 445273125 in words is "four hundred forty-five million, two hundred seventy-three thousand, one hundred twenty-five".