142764424 has 64 divisors (see below), whose sum is σ = 306892800. Its totient is φ = 61665600.

The previous prime is 142764403. The next prime is 142764431. The reversal of 142764424 is 424467241.

It is a self number, because there is not a number n which added to its sum of digits gives 142764424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160509 + ... + 161395.

It is an arithmetic number, because the mean of its divisors is an integer number (4795200).

Almost surely, 2^142764424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142764424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153446400).

142764424 is an abundant number, since it is smaller than the sum of its proper divisors (164128376).

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

142764424 is a wasteful number, since it uses less digits than its factorization.

142764424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 142764424 is about 11948.4067557143. The cubic root of 142764424 is about 522.6448385506.

The spelling of 142764424 in words is "one hundred forty-two million, seven hundred sixty-four thousand, four hundred twenty-four".