142017 has 4 divisors (see below), whose sum is σ = 189360. Its totient is φ = 94676.

The previous prime is 142007. The next prime is 142019. The reversal of 142017 is 710241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142017 - 2⁸ = 141761 is a prime.

It is a D-number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 141987 and 142005.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142017.

It is not an unprimeable number, because it can be changed into a prime (142019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23667 + ... + 23672.

It is an arithmetic number, because the mean of its divisors is an integer number (47340).

2¹⁴²⁰¹⁷ is an apocalyptic number.

It is an amenable number.

142017 is a deficient number, since it is larger than the sum of its proper divisors (47343).

142017 is an equidigital number, since it uses as much as digits as its factorization.

142017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47342.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 142017 is about 376.8514296112. The cubic root of 142017 is about 52.1731163224.

Adding to 142017 its reverse (710241), we get a palindrome (852258).

The spelling of 142017 in words is "one hundred forty-two thousand, seventeen", and thus it is an iban number.