457036645 has 8 divisors (see below), whose sum is σ = 590632056. Its totient is φ = 337503936.

The previous prime is 457036639. The next prime is 457036663. The reversal of 457036645 is 546630754.

It can be written as a sum of positive squares in 4 ways, for example, as 60516 + 456976129 = 246^2 + 21377^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 457036645 - 2⁹ = 457036133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457036598 and 457036607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515602 + ... + 3515731.

It is an arithmetic number, because the mean of its divisors is an integer number (73829007).

Almost surely, 2^457036645 is an apocalyptic number.

It is an amenable number.

457036645 is a deficient number, since it is larger than the sum of its proper divisors (133595411).

457036645 is a wasteful number, since it uses less digits than its factorization.

457036645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031351.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 457036645 is about 21378.4153996502. The cubic root of 457036645 is about 770.2830493659.

The spelling of 457036645 in words is "four hundred fifty-seven million, thirty-six thousand, six hundred forty-five".