142438616 has 16 divisors (see below), whose sum is σ = 267229800. Its totient is φ = 71177344.

The previous prime is 142438607. The next prime is 142438627. The reversal of 142438616 is 616834241.

142438616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12851 + ... + 21213.

Almost surely, 2^142438616 is an apocalyptic number.

It is an amenable number.

142438616 is a deficient number, since it is larger than the sum of its proper divisors (124791184).

142438616 is a wasteful number, since it uses less digits than its factorization.

142438616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498 (or 10494 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 142438616 is about 11934.7650165389. The cubic root of 142438616 is about 522.2469533146.

The spelling of 142438616 in words is "one hundred forty-two million, four hundred thirty-eight thousand, six hundred sixteen".