45125717 has 12 divisors (see below), whose sum is σ = 56531916. Its totient is φ = 35703360.

The previous prime is 45125713. The next prime is 45125749. The reversal of 45125717 is 71752154.

It can be written as a sum of positive squares in 2 ways, for example, as 13608721 + 31516996 = 3689^2 + 5614^2 .

It is not a de Polignac number, because 45125717 - 2² = 45125713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45125713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34784 + ... + 36057.

It is an arithmetic number, because the mean of its divisors is an integer number (4710993).

Almost surely, 2^45125717 is an apocalyptic number.

It is an amenable number.

45125717 is a deficient number, since it is larger than the sum of its proper divisors (11406199).

45125717 is a wasteful number, since it uses less digits than its factorization.

45125717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70868 (or 70861 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 45125717 is about 6717.5677890141. The cubic root of 45125717 is about 356.0202535504.

The spelling of 45125717 in words is "forty-five million, one hundred twenty-five thousand, seven hundred seventeen".