170143 has 4 divisors (see below), whose sum is σ = 176040. Its totient is φ = 164248.

The previous prime is 170141. The next prime is 170167. The reversal of 170143 is 341071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341071 = 17 ⋅20063.

It is a cyclic number.

It is not a de Polignac number, because 170143 - 2¹ = 170141 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2905 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (44010).

2¹⁷⁰¹⁴³ is an apocalyptic number.

170143 is a deficient number, since it is larger than the sum of its proper divisors (5897).

170143 is an equidigital number, since it uses as much as digits as its factorization.

170143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 170143 is about 412.4839390813. The cubic root of 170143 is about 55.4121109816.

It can be divided in two parts, 170 and 143, that multiplied together give a triangular number (24310 = T₂₂₀).

The spelling of 170143 in words is "one hundred seventy thousand, one hundred forty-three", and thus it is an iban number.