57142154 has 4 divisors (see below), whose sum is σ = 85713234. Its totient is φ = 28571076.

The previous prime is 57142153. The next prime is 57142157. The reversal of 57142154 is 45124175.

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

It can be written as a sum of positive squares in only one way, i.e., 52635025 + 4507129 = 7255^2 + 2123^2 .

It is not an unprimeable number, because it can be changed into a prime (57142153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14285537 + ... + 14285540.

Almost surely, 2^57142154 is an apocalyptic number.

57142154 is a deficient number, since it is larger than the sum of its proper divisors (28571080).

57142154 is a wasteful number, since it uses less digits than its factorization.

57142154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28571079.

The product of its digits is 5600, while the sum is 29.

The square root of 57142154 is about 7559.2429515131. The cubic root of 57142154 is about 385.1697772598.

The spelling of 57142154 in words is "fifty-seven million, one hundred forty-two thousand, one hundred fifty-four".