457142858 has 8 divisors (see below), whose sum is σ = 686562240. Its totient is φ = 228288780.

The previous prime is 457142849. The next prime is 457142879. The reversal of 457142858 is 858241754.

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

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 3 ways as a sum of consecutive naturals, for example, 139298 + ... + 142541.

It is an arithmetic number, because the mean of its divisors is an integer number (85820280).

Almost surely, 2^457142858 is an apocalyptic number.

457142858 is a deficient number, since it is larger than the sum of its proper divisors (229419382).

457142858 is a wasteful number, since it uses less digits than its factorization.

457142858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282652.

The product of its digits is 358400, while the sum is 44.

The square root of 457142858 is about 21380.8993730385. The cubic root of 457142858 is about 770.3427147031.

The spelling of 457142858 in words is "four hundred fifty-seven million, one hundred forty-two thousand, eight hundred fifty-eight".