457143019 has 16 divisors (see below), whose sum is σ = 485208064. Its totient is φ = 430012800.

The previous prime is 457143013. The next prime is 457143047. The reversal of 457143019 is 910341754.

It is a cyclic number.

It is not a de Polignac number, because 457143019 - 2¹⁹ = 456618731 is a prime.

It is a super-2 number, since 2×457143019² = 417959479640868722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457143013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320542 + ... + 321964.

It is an arithmetic number, because the mean of its divisors is an integer number (30325504).

Almost surely, 2^457143019 is an apocalyptic number.

457143019 is a deficient number, since it is larger than the sum of its proper divisors (28065045).

457143019 is a wasteful number, since it uses less digits than its factorization.

457143019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 457143019 is about 21380.9031380810. The cubic root of 457143019 is about 770.3428051381.

The spelling of 457143019 in words is "four hundred fifty-seven million, one hundred forty-three thousand, nineteen".