57143 has 2 divisors, whose sum is σ = 57144. Its totient is φ = 57142.

The previous prime is 57139. The next prime is 57149. The reversal of 57143 is 34175.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57143 - 2² = 57139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28571 + 28572.

It is an arithmetic number, because the mean of its divisors is an integer number (28572).

2⁵⁷¹⁴³ is an apocalyptic number.

57143 is a deficient number, since it is larger than the sum of its proper divisors (1).

57143 is an equidigital number, since it uses as much as digits as its factorization.

57143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 20.

The square root of 57143 is about 239.0460206738. The cubic root of 57143 is about 38.5171678087.

The spelling of 57143 in words is "fifty-seven thousand, one hundred forty-three".