457445289 has 16 divisors (see below), whose sum is σ = 701680640. Its totient is φ = 259664400.

The previous prime is 457445251. The next prime is 457445293. The reversal of 457445289 is 982544754.

It is not a de Polignac number, because 457445289 - 2²⁰ = 456396713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457445089) 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, 68959 + ... + 75300.

It is an arithmetic number, because the mean of its divisors is an integer number (43855040).

Almost surely, 2^457445289 is an apocalyptic number.

It is an amenable number.

457445289 is a deficient number, since it is larger than the sum of its proper divisors (244235351).

457445289 is a wasteful number, since it uses less digits than its factorization.

457445289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144420.

The product of its digits is 1612800, while the sum is 48.

The square root of 457445289 is about 21387.9706610983. The cubic root of 457445289 is about 770.5125552362.

The spelling of 457445289 in words is "four hundred fifty-seven million, four hundred forty-five thousand, two hundred eighty-nine".