142172 has 6 divisors (see below), whose sum is σ = 248808. Its totient is φ = 71084.

The previous prime is 142169. The next prime is 142183. The reversal of 142172 is 271241.

142172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142172.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142172.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17768 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (41468).

2¹⁴²¹⁷² is an apocalyptic number.

It is an amenable number.

142172 is a deficient number, since it is larger than the sum of its proper divisors (106636).

142172 is a wasteful number, since it uses less digits than its factorization.

142172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35547 (or 35545 counting only the distinct ones).

The product of its digits is 112, while the sum is 17.

The square root of 142172 is about 377.0570248649. The cubic root of 142172 is about 52.1920903250.

The spelling of 142172 in words is "one hundred forty-two thousand, one hundred seventy-two", and thus it is an iban number.