57143000 has 32 divisors (see below), whose sum is σ = 133716960. Its totient is φ = 22856800.

The previous prime is 57142993. The next prime is 57143011. The reversal of 57143000 is 34175.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 27572 + ... + 29571.

It is an arithmetic number, because the mean of its divisors is an integer number (4178655).

Almost surely, 2^57143000 is an apocalyptic number.

57143000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57143000 is an abundant number, since it is smaller than the sum of its proper divisors (76573960).

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

57143000 is a wasteful number, since it uses less digits than its factorization.

57143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57164 (or 57150 counting only the distinct ones).

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

The square root of 57143000 is about 7559.2989092905. The cubic root of 57143000 is about 385.1716780867.

Adding to 57143000 its reverse (34175), we get a palindrome (57177175).

The spelling of 57143000 in words is "fifty-seven million, one hundred forty-three thousand".