142844830 has 8 divisors (see below), whose sum is σ = 257120712. Its totient is φ = 57137928.

The previous prime is 142844813. The next prime is 142844843. The reversal of 142844830 is 38448241.

It is a happy number.

142844830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7142232 + ... + 7142251.

It is an arithmetic number, because the mean of its divisors is an integer number (32140089).

Almost surely, 2^142844830 is an apocalyptic number.

142844830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142844830 is a deficient number, since it is larger than the sum of its proper divisors (114275882).

142844830 is a wasteful number, since it uses less digits than its factorization.

142844830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14284490.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 142844830 is about 11951.7709984755. The cubic root of 142844830 is about 522.7429393070.

The spelling of 142844830 in words is "one hundred forty-two million, eight hundred forty-four thousand, eight hundred thirty".