57445143 has 16 divisors (see below), whose sum is σ = 90554880. Its totient is φ = 31693536.

The previous prime is 57445133. The next prime is 57445153. The reversal of 57445143 is 34154475.

It is an interprime number because it is at equal distance from previous prime (57445133) and next prime (57445153).

It is not a de Polignac number, because 57445143 - 2⁹ = 57444631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57445123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46555 + ... + 47772.

It is an arithmetic number, because the mean of its divisors is an integer number (5659680).

Almost surely, 2^57445143 is an apocalyptic number.

57445143 is a deficient number, since it is larger than the sum of its proper divisors (33109737).

57445143 is a wasteful number, since it uses less digits than its factorization.

57445143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94366.

The product of its digits is 33600, while the sum is 33.

The square root of 57445143 is about 7579.2574174519. The cubic root of 57445143 is about 385.8493488006.

The spelling of 57445143 in words is "fifty-seven million, four hundred forty-five thousand, one hundred forty-three".