478142 has 32 divisors (see below), whose sum is σ = 907200. Its totient is φ = 188160.

The previous prime is 478139. The next prime is 478157. The reversal of 478142 is 241874.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478142.

It is an unprimeable number.

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, 11642 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2⁴⁷⁸¹⁴² is an apocalyptic number.

478142 is a deficient number, since it is larger than the sum of its proper divisors (429058).

478142 is a wasteful number, since it uses less digits than its factorization.

478142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 67 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 478142 is about 691.4781269136. The cubic root of 478142 is about 78.1961968572.

It can be divided in two parts, 478 and 142, that multiplied together give a palindrome (67876).

The spelling of 478142 in words is "four hundred seventy-eight thousand, one hundred forty-two".