45785457 has 12 divisors (see below), whose sum is σ = 66777984. Its totient is φ = 30226680.

The previous prime is 45785449. The next prime is 45785501. The reversal of 45785457 is 75458754.

45785457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45785457 - 2³ = 45785449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45785447) 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 11 ways as a sum of consecutive naturals, for example, 23769 + ... + 25622.

It is an arithmetic number, because the mean of its divisors is an integer number (5564832).

Almost surely, 2^45785457 is an apocalyptic number.

It is an amenable number.

45785457 is a deficient number, since it is larger than the sum of its proper divisors (20992527).

45785457 is a wasteful number, since it uses less digits than its factorization.

45785457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49500 (or 49497 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The square root of 45785457 is about 6766.4951784510. The cubic root of 45785457 is about 357.7468769276.

The spelling of 45785457 in words is "forty-five million, seven hundred eighty-five thousand, four hundred fifty-seven".