457400845 has 32 divisors (see below), whose sum is σ = 623589120. Its totient is φ = 319127040.

The previous prime is 457400843. The next prime is 457400857. The reversal of 457400845 is 548004754.

It is not a de Polignac number, because 457400845 - 2¹ = 457400843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457400843) 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 31 ways as a sum of consecutive naturals, for example, 147016 + ... + 150094.

It is an arithmetic number, because the mean of its divisors is an integer number (19487160).

Almost surely, 2^457400845 is an apocalyptic number.

It is an amenable number.

457400845 is a deficient number, since it is larger than the sum of its proper divisors (166188275).

457400845 is a wasteful number, since it uses less digits than its factorization.

457400845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 457400845 is about 21386.9316406071. The cubic root of 457400845 is about 770.4876008719.

The spelling of 457400845 in words is "four hundred fifty-seven million, four hundred thousand, eight hundred forty-five".