142317 has 20 divisors (see below), whose sum is σ = 243936. Its totient is φ = 81000.

The previous prime is 142297. The next prime is 142319. The reversal of 142317 is 713241.

It is not a de Polignac number, because 142317 - 2⁷ = 142189 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142317.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142317.

It is not an unprimeable number, because it can be changed into a prime (142319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 442 + ... + 692.

2¹⁴²³¹⁷ is an apocalyptic number.

142317 is the 189-th decagonal number.

It is an amenable number.

142317 is a deficient number, since it is larger than the sum of its proper divisors (101619).

142317 is an equidigital number, since it uses as much as digits as its factorization.

142317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 261 counting only the distinct ones).

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

The square root of 142317 is about 377.2492544724. The cubic root of 142317 is about 52.2098277176.

Adding to 142317 its reverse (713241), we get a palindrome (855558).

The spelling of 142317 in words is "one hundred forty-two thousand, three hundred seventeen", and thus it is an iban number.