142278832 has 10 divisors (see below), whose sum is σ = 275665268. Its totient is φ = 71139408.

The previous prime is 142278827. The next prime is 142278841. The reversal of 142278832 is 238872241.

It is a junction number, because it is equal to n+sod(n) for n = 142278791 and 142278800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4446198 + ... + 4446229.

Almost surely, 2^142278832 is an apocalyptic number.

It is an amenable number.

142278832 is a deficient number, since it is larger than the sum of its proper divisors (133386436).

142278832 is an equidigital number, since it uses as much as digits as its factorization.

142278832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892435 (or 8892429 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 142278832 is about 11928.0690809535. The cubic root of 142278832 is about 522.0515991525.

The spelling of 142278832 in words is "one hundred forty-two million, two hundred seventy-eight thousand, eight hundred thirty-two".