45085457 has 16 divisors (see below), whose sum is σ = 47824128. Its totient is φ = 42456960.

The previous prime is 45085433. The next prime is 45085483. The reversal of 45085457 is 75458054.

It is a cyclic number.

It is not a de Polignac number, because 45085457 - 2⁶ = 45085393 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 45085457.

It is not an unprimeable number, because it can be changed into a prime (45085427) 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, 166232 + ... + 166502.

It is an arithmetic number, because the mean of its divisors is an integer number (2989008).

Almost surely, 2^45085457 is an apocalyptic number.

It is an amenable number.

45085457 is a deficient number, since it is larger than the sum of its proper divisors (2738671).

45085457 is a wasteful number, since it uses less digits than its factorization.

45085457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 45085457 is about 6714.5705000394. The cubic root of 45085457 is about 355.9143446874.

The spelling of 45085457 in words is "forty-five million, eighty-five thousand, four hundred fifty-seven".