171342 has 32 divisors (see below), whose sum is σ = 403200. Its totient is φ = 53784.

The previous prime is 171341. The next prime is 171383. The reversal of 171342 is 243171.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2¹⁷¹³⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201600).

171342 is an abundant number, since it is smaller than the sum of its proper divisors (231858).

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

171342 is a wasteful number, since it uses less digits than its factorization.

171342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 191 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 171342 is about 413.9347774710. The cubic root of 171342 is about 55.5419697150.

The spelling of 171342 in words is "one hundred seventy-one thousand, three hundred forty-two", and thus it is an iban number.