57378146 has 32 divisors (see below), whose sum is σ = 104087808. Its totient is φ = 23189760.

The previous prime is 57378143. The next prime is 57378161. The reversal of 57378146 is 64187375.

57378146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22286 + ... + 24726.

It is an arithmetic number, because the mean of its divisors is an integer number (3252744).

Almost surely, 2^57378146 is an apocalyptic number.

57378146 is a deficient number, since it is larger than the sum of its proper divisors (46709662).

57378146 is a wasteful number, since it uses less digits than its factorization.

57378146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its digits is 141120, while the sum is 41.

The square root of 57378146 is about 7574.8363678696. The cubic root of 57378146 is about 385.6992879269.

The spelling of 57378146 in words is "fifty-seven million, three hundred seventy-eight thousand, one hundred forty-six".