142289824 has 24 divisors (see below), whose sum is σ = 280748160. Its totient is φ = 70988736.

The previous prime is 142289809. The next prime is 142289831. The reversal of 142289824 is 428982241.

142289824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 10687 + ... + 19969.

It is an arithmetic number, because the mean of its divisors is an integer number (11697840).

Almost surely, 2^142289824 is an apocalyptic number.

It is an amenable number.

142289824 is a deficient number, since it is larger than the sum of its proper divisors (138458336).

142289824 is an equidigital number, since it uses as much as digits as its factorization.

142289824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772 (or 9764 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 142289824 is about 11928.5298339737. The cubic root of 142289824 is about 522.0650428094.

The spelling of 142289824 in words is "one hundred forty-two million, two hundred eighty-nine thousand, eight hundred twenty-four".