171342812 has 24 divisors (see below), whose sum is σ = 303421440. Its totient is φ = 84656880.

The previous prime is 171342803. The next prime is 171342823. The reversal of 171342812 is 218243171.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167639 + ... + 168657.

It is an arithmetic number, because the mean of its divisors is an integer number (12642560).

Almost surely, 2^171342812 is an apocalyptic number.

It is an amenable number.

171342812 is a deficient number, since it is larger than the sum of its proper divisors (132078628).

171342812 is a wasteful number, since it uses less digits than its factorization.

171342812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 171342812 is about 13089.7980121925. The cubic root of 171342812 is about 555.4205745373.

Adding to 171342812 its reverse (218243171), we get a palindrome (389585983).

The spelling of 171342812 in words is "one hundred seventy-one million, three hundred forty-two thousand, eight hundred twelve".