57143146 has 8 divisors (see below), whose sum is σ = 90226080. Its totient is φ = 27067788.

The previous prime is 57143131. The next prime is 57143147. The reversal of 57143146 is 64134175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57143147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751846 + ... + 751921.

It is an arithmetic number, because the mean of its divisors is an integer number (11278260).

Almost surely, 2^57143146 is an apocalyptic number.

57143146 is a deficient number, since it is larger than the sum of its proper divisors (33082934).

57143146 is a wasteful number, since it uses less digits than its factorization.

57143146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503788.

The product of its digits is 10080, while the sum is 31.

The square root of 57143146 is about 7559.3085662645. The cubic root of 57143146 is about 385.1720061235.

The spelling of 57143146 in words is "fifty-seven million, one hundred forty-three thousand, one hundred forty-six".