142402339 has 4 divisors (see below), whose sum is σ = 145432224. Its totient is φ = 139372456.

The previous prime is 142402333. The next prime is 142402373. The reversal of 142402339 is 933204241.

142402339 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 142402339 - 2³ = 142402331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142402331) 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, 1514872 + ... + 1514965.

It is an arithmetic number, because the mean of its divisors is an integer number (36358056).

Almost surely, 2^142402339 is an apocalyptic number.

142402339 is a deficient number, since it is larger than the sum of its proper divisors (3029885).

142402339 is an equidigital number, since it uses as much as digits as its factorization.

142402339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029884.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 142402339 is about 11933.2451160613. The cubic root of 142402339 is about 522.2026133693.

The spelling of 142402339 in words is "one hundred forty-two million, four hundred two thousand, three hundred thirty-nine".