457522645 has 16 divisors (see below), whose sum is σ = 567401472. Its totient is φ = 353796480.

The previous prime is 457522619. The next prime is 457522657. The reversal of 457522645 is 546225754.

It is not a de Polignac number, because 457522645 - 2¹¹ = 457520597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457522598 and 457522607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238209 + ... + 240121.

It is an arithmetic number, because the mean of its divisors is an integer number (35462592).

Almost surely, 2^457522645 is an apocalyptic number.

It is an amenable number.

457522645 is a deficient number, since it is larger than the sum of its proper divisors (109878827).

457522645 is a wasteful number, since it uses less digits than its factorization.

457522645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492.

The product of its digits is 336000, while the sum is 40.

The square root of 457522645 is about 21389.7789843654. The cubic root of 457522645 is about 770.5559851364. Note that the first 3 decimals are identical.

The spelling of 457522645 in words is "four hundred fifty-seven million, five hundred twenty-two thousand, six hundred forty-five".