45225172 has 12 divisors (see below), whose sum is σ = 80033940. Its totient is φ = 22358336.

The previous prime is 45225163. The next prime is 45225197. The reversal of 45225172 is 27152254.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 37136836 = 2844^2 + 6094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45225172.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 63163 + ... + 63874.

It is an arithmetic number, because the mean of its divisors is an integer number (6669495).

Almost surely, 2^45225172 is an apocalyptic number.

It is an amenable number.

45225172 is a deficient number, since it is larger than the sum of its proper divisors (34808768).

45225172 is a wasteful number, since it uses less digits than its factorization.

45225172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127130 (or 127128 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 45225172 is about 6724.9663196183. The cubic root of 45225172 is about 356.2816123789.

The spelling of 45225172 in words is "forty-five million, two hundred twenty-five thousand, one hundred seventy-two".