45208757 has 16 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 39532800.

The previous prime is 45208739. The next prime is 45208799. The reversal of 45208757 is 75780254.

It is a cyclic number.

It is not a de Polignac number, because 45208757 - 2¹⁰ = 45207733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45208757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45208157) 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, 79169 + ... + 79737.

It is an arithmetic number, because the mean of its divisors is an integer number (3201120).

Almost surely, 2^45208757 is an apocalyptic number.

It is an amenable number.

45208757 is a deficient number, since it is larger than the sum of its proper divisors (6009163).

45208757 is a wasteful number, since it uses less digits than its factorization.

45208757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 45208757 is about 6723.7457566449. The cubic root of 45208757 is about 356.2385016500.

It can be divided in two parts, 45 and 208757, that added together give a palindrome (208802).

The spelling of 45208757 in words is "forty-five million, two hundred eight thousand, seven hundred fifty-seven".