142042379 has 4 divisors (see below), whose sum is σ = 142091040. Its totient is φ = 141993720.

The previous prime is 142042357. The next prime is 142042399. The reversal of 142042379 is 973240241.

142042379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142042379 - 2²⁰ = 140993803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142042339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19652 + ... + 25889.

It is an arithmetic number, because the mean of its divisors is an integer number (35522760).

Almost surely, 2^142042379 is an apocalyptic number.

142042379 is a deficient number, since it is larger than the sum of its proper divisors (48661).

142042379 is an equidigital number, since it uses as much as digits as its factorization.

142042379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48660.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 142042379 is about 11918.1533385001. The cubic root of 142042379 is about 521.7622398473.

The spelling of 142042379 in words is "one hundred forty-two million, forty-two thousand, three hundred seventy-nine".