57146 has 4 divisors (see below), whose sum is σ = 85722. Its totient is φ = 28572.

The previous prime is 57143. The next prime is 57149. The reversal of 57146 is 64175.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57143) and next prime (57149).

It can be written as a sum of positive squares in only one way, i.e., 57121 + 25 = 239^2 + 5^2 .

It is not an unprimeable number, because it can be changed into a prime (57143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14285 + ... + 14288.

2⁵⁷¹⁴⁶ is an apocalyptic number.

57146 is a deficient number, since it is larger than the sum of its proper divisors (28576).

57146 is a wasteful number, since it uses less digits than its factorization.

57146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28575.

The product of its digits is 840, while the sum is 23.

The square root of 57146 is about 239.0522955338. The cubic root of 57146 is about 38.5178418456.

The spelling of 57146 in words is "fifty-seven thousand, one hundred forty-six".