142630616 has 8 divisors (see below), whose sum is σ = 267432420. Its totient is φ = 71315304.

The previous prime is 142630591. The next prime is 142630619. The reversal of 142630616 is 616036241.

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 (142630619) 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 as a sum of consecutive naturals, namely, 8914406 + ... + 8914421.

Almost surely, 2^142630616 is an apocalyptic number.

It is an amenable number.

142630616 is a deficient number, since it is larger than the sum of its proper divisors (124801804).

142630616 is a wasteful number, since it uses less digits than its factorization.

142630616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17828833 (or 17828829 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 142630616 is about 11942.8060354341. The cubic root of 142630616 is about 522.4815020580.

Adding to 142630616 its reverse (616036241), we get a palindrome (758666857).

The spelling of 142630616 in words is "one hundred forty-two million, six hundred thirty thousand, six hundred sixteen".