142617 has 8 divisors (see below), whose sum is σ = 192096. Its totient is φ = 94112.

The previous prime is 142609. The next prime is 142619. The reversal of 142617 is 716241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142617 - 2³ = 142609 is a prime.

142617 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 142593 and 142602.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142617.

It is not an unprimeable number, because it can be changed into a prime (142619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 584.

It is an arithmetic number, because the mean of its divisors is an integer number (24012).

2¹⁴²⁶¹⁷ is an apocalyptic number.

It is an amenable number.

142617 is a deficient number, since it is larger than the sum of its proper divisors (49479).

142617 is a wasteful number, since it uses less digits than its factorization.

142617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 336, while the sum is 21.

The square root of 142617 is about 377.6466602527. The cubic root of 142617 is about 52.2464875580.

Adding to 142617 its reverse (716241), we get a palindrome (858858).

It can be divided in two parts, 1426 and 17, that multiplied together give a palindrome (24242).

The spelling of 142617 in words is "one hundred forty-two thousand, six hundred seventeen".