457143632 has 20 divisors (see below), whose sum is σ = 966235776. Its totient is φ = 207792480.

The previous prime is 457143619. The next prime is 457143671. The reversal of 457143632 is 236341754.

It is a junction number, because it is equal to n+sod(n) for n = 457143592 and 457143601.

It is a congruent number.

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, 1298528 + ... + 1298879.

Almost surely, 2^457143632 is an apocalyptic number.

It is an amenable number.

457143632 is an abundant number, since it is smaller than the sum of its proper divisors (509092144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457143632 is a wasteful number, since it uses less digits than its factorization.

457143632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597426 (or 2597420 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 457143632 is about 21380.9174732985. The cubic root of 457143632 is about 770.3431494651.

The spelling of 457143632 in words is "four hundred fifty-seven million, one hundred forty-three thousand, six hundred thirty-two".