142764 has 12 divisors (see below), whose sum is σ = 333144. Its totient is φ = 47584.

The previous prime is 142759. The next prime is 142771. The reversal of 142764 is 467241.

142764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142764.

It is an unprimeable number.

142764 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5937 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (27762).

2¹⁴²⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

142764 is an abundant number, since it is smaller than the sum of its proper divisors (190380).

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

142764 is a wasteful number, since it uses less digits than its factorization.

142764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11904 (or 11902 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 142764 is about 377.8412365002. The cubic root of 142764 is about 52.2644321144.

The spelling of 142764 in words is "one hundred forty-two thousand, seven hundred sixty-four".