142996824 has 24 divisors (see below), whose sum is σ = 387283260. Its totient is φ = 47665584.

The previous prime is 142996781. The next prime is 142996859. The reversal of 142996824 is 428699241.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 142996824.

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 5 ways as a sum of consecutive naturals, for example, 992962 + ... + 993105.

Almost surely, 2^142996824 is an apocalyptic number.

It is an amenable number.

142996824 is an abundant number, since it is smaller than the sum of its proper divisors (244286436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142996824 is a wasteful number, since it uses less digits than its factorization.

142996824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986079 (or 1986072 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 142996824 is about 11958.1279471329. The cubic root of 142996824 is about 522.9282817425.

The spelling of 142996824 in words is "one hundred forty-two million, nine hundred ninety-six thousand, eight hundred twenty-four".