142616 has 8 divisors (see below), whose sum is σ = 267420. Its totient is φ = 71304.

The previous prime is 142609. The next prime is 142619. The reversal of 142616 is 616241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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

142616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 8906 + ... + 8921.

2¹⁴²⁶¹⁶ is an apocalyptic number.

It is an amenable number.

142616 is a deficient number, since it is larger than the sum of its proper divisors (124804).

142616 is a wasteful number, since it uses less digits than its factorization.

142616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17833 (or 17829 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 142616 is about 377.6453362614. The cubic root of 142616 is about 52.2463654439.

Adding to 142616 its reverse (616241), we get a palindrome (758857).

The spelling of 142616 in words is "one hundred forty-two thousand, six hundred sixteen".