142839230 has 16 divisors (see below), whose sum is σ = 257248224. Its totient is φ = 57105120.

The previous prime is 142839209. The next prime is 142839233. The reversal of 142839230 is 32938241.

It is a happy number.

142839230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142839233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30335 + ... + 34725.

It is an arithmetic number, because the mean of its divisors is an integer number (16078014).

Almost surely, 2^142839230 is an apocalyptic number.

142839230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142839230 is a deficient number, since it is larger than the sum of its proper divisors (114408994).

142839230 is a wasteful number, since it uses less digits than its factorization.

142839230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 142839230 is about 11951.5367212756. The cubic root of 142839230 is about 522.7361081213.

The spelling of 142839230 in words is "one hundred forty-two million, eight hundred thirty-nine thousand, two hundred thirty".