45125648 has 20 divisors (see below), whose sum is σ = 87700860. Its totient is φ = 22493184.

The previous prime is 45125629. The next prime is 45125651. The reversal of 45125648 is 84652154.

It can be written as a sum of positive squares in 2 ways, for example, as 22391824 + 22733824 = 4732^2 + 4768^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (4385043).

Almost surely, 2^45125648 is an apocalyptic number.

It is an amenable number.

45125648 is a deficient number, since it is larger than the sum of its proper divisors (42575212).

45125648 is a wasteful number, since it uses less digits than its factorization.

45125648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714 (or 8708 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 45125648 is about 6717.5626532248. The cubic root of 45125648 is about 356.0200720913.

The spelling of 45125648 in words is "forty-five million, one hundred twenty-five thousand, six hundred forty-eight".