170142 has 16 divisors (see below), whose sum is σ = 388992. Its totient is φ = 48600.

The previous prime is 170141. The next prime is 170167. The reversal of 170142 is 241071.

170142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 170142.

It is not an unprimeable number, because it can be changed into a prime (170141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (24312).

2¹⁷⁰¹⁴² is an apocalyptic number.

170142 is an abundant number, since it is smaller than the sum of its proper divisors (218850).

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

170142 is a wasteful number, since it uses less digits than its factorization.

170142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 170142 is about 412.4827269111. The cubic root of 170142 is about 55.4120024215.

The spelling of 170142 in words is "one hundred seventy thousand, one hundred forty-two", and thus it is an iban number.