173143 has 6 divisors (see below), whose sum is σ = 179192. Its totient is φ = 167280.

The previous prime is 173141. The next prime is 173149. The reversal of 173143 is 341371.

173143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 173143 - 2¹ = 173141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 173143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1630 + ... + 1732.

2¹⁷³¹⁴³ is an apocalyptic number.

173143 is a deficient number, since it is larger than the sum of its proper divisors (6049).

173143 is an equidigital number, since it uses as much as digits as its factorization.

173143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 144 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 173143 is about 416.1045541688. The cubic root of 173143 is about 55.7358950019.

It can be divided in two parts, 17 and 3143, that added together give a triangular number (3160 = T₇₉).

The spelling of 173143 in words is "one hundred seventy-three thousand, one hundred forty-three", and thus it is an iban number.