142328979 has 24 divisors (see below), whose sum is σ = 222549600. Its totient is φ = 87132672.

The previous prime is 142328969. The next prime is 142328983. The reversal of 142328979 is 979823241.

142328979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142328979 - 2¹⁷ = 142197907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142328909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20227 + ... + 26339.

It is an arithmetic number, because the mean of its divisors is an integer number (9272900).

Almost surely, 2^142328979 is an apocalyptic number.

142328979 is a deficient number, since it is larger than the sum of its proper divisors (80220621).

142328979 is a wasteful number, since it uses less digits than its factorization.

142328979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331 (or 6328 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 142328979 is about 11930.1709543493. The cubic root of 142328979 is about 522.1129253201.

The spelling of 142328979 in words is "one hundred forty-two million, three hundred twenty-eight thousand, nine hundred seventy-nine".