45325257 has 16 divisors (see below), whose sum is σ = 61746048. Its totient is φ = 29566080.

The previous prime is 45325243. The next prime is 45325261. The reversal of 45325257 is 75252354.

It is not a de Polignac number, because 45325257 - 2⁸ = 45325001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45325207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42108 + ... + 43170.

It is an arithmetic number, because the mean of its divisors is an integer number (3859128).

Almost surely, 2^45325257 is an apocalyptic number.

It is an amenable number.

45325257 is a deficient number, since it is larger than the sum of its proper divisors (16420791).

45325257 is a wasteful number, since it uses less digits than its factorization.

45325257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its digits is 42000, while the sum is 33.

The square root of 45325257 is about 6732.4035084062. The cubic root of 45325257 is about 356.5442402577.

The spelling of 45325257 in words is "forty-five million, three hundred twenty-five thousand, two hundred fifty-seven".