45257648 has 20 divisors (see below), whose sum is σ = 87797208. Its totient is φ = 22600320.

The previous prime is 45257647. The next prime is 45257651. The reversal of 45257648 is 84675254.

It is not an unprimeable number, because it can be changed into a prime (45257647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17903 + ... + 20273.

Almost surely, 2^45257648 is an apocalyptic number.

It is an amenable number.

45257648 is a deficient number, since it is larger than the sum of its proper divisors (42539560).

45257648 is a wasteful number, since it uses less digits than its factorization.

45257648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572 (or 3566 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 45257648 is about 6727.3804708817. The cubic root of 45257648 is about 356.3668734009.

The spelling of 45257648 in words is "forty-five million, two hundred fifty-seven thousand, six hundred forty-eight".