45432857 has 8 divisors (see below), whose sum is σ = 50637600. Its totient is φ = 40509504.

The previous prime is 45432841. The next prime is 45432883. The reversal of 45432857 is 75823454.

It is a happy number.

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

It is not a de Polignac number, because 45432857 - 2⁴ = 45432841 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 45432857.

It is not an unprimeable number, because it can be changed into a prime (45431857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70007 + ... + 70652.

It is an arithmetic number, because the mean of its divisors is an integer number (6329700).

Almost surely, 2^45432857 is an apocalyptic number.

It is an amenable number.

45432857 is a deficient number, since it is larger than the sum of its proper divisors (5204743).

45432857 is a wasteful number, since it uses less digits than its factorization.

45432857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140695.

The product of its digits is 134400, while the sum is 38.

The square root of 45432857 is about 6740.3899738813. The cubic root of 45432857 is about 356.8261569677.

The spelling of 45432857 in words is "forty-five million, four hundred thirty-two thousand, eight hundred fifty-seven".