457143812 has 12 divisors (see below), whose sum is σ = 810961116. Its totient is φ = 225440640.

The previous prime is 457143811. The next prime is 457143823. The reversal of 457143812 is 218341754.

It can be written as a sum of positive squares in 2 ways, for example, as 247936516 + 209207296 = 15746^2 + 14464^2 .

It is not an unprimeable number, because it can be changed into a prime (457143811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782489 + ... + 783072.

It is an arithmetic number, because the mean of its divisors is an integer number (67580093).

Almost surely, 2^457143812 is an apocalyptic number.

It is an amenable number.

457143812 is a deficient number, since it is larger than the sum of its proper divisors (353817304).

457143812 is a wasteful number, since it uses less digits than its factorization.

457143812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565638 (or 1565636 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 457143812 is about 21380.9216826591. The cubic root of 457143812 is about 770.3432505724.

The spelling of 457143812 in words is "four hundred fifty-seven million, one hundred forty-three thousand, eight hundred twelve".