45757857 has 8 divisors (see below), whose sum is σ = 61045920. Its totient is φ = 30487520.

The previous prime is 45757847. The next prime is 45757889. The reversal of 45757857 is 75875754.

It is a happy number.

45757857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45757857 - 2⁷ = 45757729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45757847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (7630740).

Almost surely, 2^45757857 is an apocalyptic number.

It is an amenable number.

45757857 is a deficient number, since it is larger than the sum of its proper divisors (15288063).

45757857 is a wasteful number, since it uses less digits than its factorization.

45757857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863.

The product of its digits is 1372000, while the sum is 48.

The square root of 45757857 is about 6764.4554104525. The cubic root of 45757857 is about 357.6749778347.

The spelling of 45757857 in words is "forty-five million, seven hundred fifty-seven thousand, eight hundred fifty-seven".