457255643 has 8 divisors (see below), whose sum is σ = 492671088. Its totient is φ = 421874784.

The previous prime is 457255639. The next prime is 457255649. The reversal of 457255643 is 346552754.

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 457255643 - 2² = 457255639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457255643.

It is not an unprimeable number, because it can be changed into a prime (457255649) 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, 23180 + ... + 38102.

It is an arithmetic number, because the mean of its divisors is an integer number (61583886).

Almost surely, 2^457255643 is an apocalyptic number.

457255643 is a deficient number, since it is larger than the sum of its proper divisors (35415445).

457255643 is a wasteful number, since it uses less digits than its factorization.

457255643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17293.

The product of its digits is 504000, while the sum is 41.

The square root of 457255643 is about 21383.5367280532. The cubic root of 457255643 is about 770.4060617564.

The spelling of 457255643 in words is "four hundred fifty-seven million, two hundred fifty-five thousand, six hundred forty-three".