142799424 has 28 divisors (see below), whose sum is σ = 377823984. Its totient is φ = 47599744.

The previous prime is 142799417. The next prime is 142799429. The reversal of 142799424 is 424997241.

It is not an unprimeable number, because it can be changed into a prime (142799429) 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, 371682 + ... + 372065.

Almost surely, 2^142799424 is an apocalyptic number.

It is an amenable number.

142799424 is an abundant number, since it is smaller than the sum of its proper divisors (235024560).

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

142799424 is an equidigital number, since it uses as much as digits as its factorization.

142799424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743762 (or 743752 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 142799424 is about 11949.8712963780. The cubic root of 142799424 is about 522.6875454430.

The spelling of 142799424 in words is "one hundred forty-two million, seven hundred ninety-nine thousand, four hundred twenty-four".