457886143 has 24 divisors (see below), whose sum is σ = 573927984. Its totient is φ = 361616640.

The previous prime is 457886119. The next prime is 457886147. The reversal of 457886143 is 341688754.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-457886143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457886093 and 457886102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457886147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18180 + ... + 35302.

It is an arithmetic number, because the mean of its divisors is an integer number (23913666).

Almost surely, 2^457886143 is an apocalyptic number.

457886143 is a deficient number, since it is larger than the sum of its proper divisors (116041841).

457886143 is a wasteful number, since it uses less digits than its factorization.

457886143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175 (or 17164 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 457886143 is about 21398.2742995785. The cubic root of 457886143 is about 770.7599979267.

The spelling of 457886143 in words is "four hundred fifty-seven million, eight hundred eighty-six thousand, one hundred forty-three".