457789143 has 16 divisors (see below), whose sum is σ = 710747136. Its totient is φ = 256657440.

The previous prime is 457789139. The next prime is 457789151. The reversal of 457789143 is 341987754.

It is a happy number.

It is not a de Polignac number, because 457789143 - 2² = 457789139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 457789092 and 457789101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457749143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 204543 + ... + 206768.

It is an arithmetic number, because the mean of its divisors is an integer number (44421696).

Almost surely, 2^457789143 is an apocalyptic number.

457789143 is a deficient number, since it is larger than the sum of its proper divisors (252957993).

457789143 is a wasteful number, since it uses less digits than its factorization.

457789143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411374.

The product of its digits is 846720, while the sum is 48.

The square root of 457789143 is about 21396.0076416139. The cubic root of 457789143 is about 770.7055673651.

The spelling of 457789143 in words is "four hundred fifty-seven million, seven hundred eighty-nine thousand, one hundred forty-three".