142170 has 32 divisors (see below), whose sum is σ = 390528. Its totient is φ = 32448.

The previous prime is 142169. The next prime is 142183. The reversal of 142170 is 71241.

142170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142170.

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, 129 + ... + 548.

It is an arithmetic number, because the mean of its divisors is an integer number (12204).

2¹⁴²¹⁷⁰ is an apocalyptic number.

142170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142170 is an abundant number, since it is smaller than the sum of its proper divisors (248358).

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

142170 is a wasteful number, since it uses less digits than its factorization.

142170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

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

The square root of 142170 is about 377.0543727369. The cubic root of 142170 is about 52.1918455870.

The spelling of 142170 in words is "one hundred forty-two thousand, one hundred seventy", and thus it is an iban number.