57378142 has 4 divisors (see below), whose sum is σ = 86067216. Its totient is φ = 28689070.

The previous prime is 57378127. The next prime is 57378143. The reversal of 57378142 is 24187375.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57378143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14344534 + ... + 14344537.

It is an arithmetic number, because the mean of its divisors is an integer number (21516804).

Almost surely, 2^57378142 is an apocalyptic number.

57378142 is a deficient number, since it is larger than the sum of its proper divisors (28689074).

57378142 is a wasteful number, since it uses less digits than its factorization.

57378142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28689073.

The product of its digits is 47040, while the sum is 37.

The square root of 57378142 is about 7574.8361038375. The cubic root of 57378142 is about 385.6992789641.

The spelling of 57378142 in words is "fifty-seven million, three hundred seventy-eight thousand, one hundred forty-two".