142609616 has 20 divisors (see below), whose sum is σ = 278754852. Its totient is φ = 70672896.

The previous prime is 142609561. The next prime is 142609619. The reversal of 142609616 is 616906241.

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 122323600 = 4504^2 + 11060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142609619) 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, 37631 + ... + 41246.

Almost surely, 2^142609616 is an apocalyptic number.

142609616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142609616 is a deficient number, since it is larger than the sum of its proper divisors (136145236).

142609616 is a wasteful number, since it uses less digits than its factorization.

142609616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78998 (or 78992 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 142609616 is about 11941.9268127049. The cubic root of 142609616 is about 522.4558585452.

The spelling of 142609616 in words is "one hundred forty-two million, six hundred nine thousand, six hundred sixteen".