142668716 has 6 divisors (see below), whose sum is σ = 249670260. Its totient is φ = 71334356.

The previous prime is 142668689. The next prime is 142668731. The reversal of 142668716 is 617866241.

142668716 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

142668716 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17833586 + ... + 17833593.

It is an arithmetic number, because the mean of its divisors is an integer number (41611710).

Almost surely, 2^142668716 is an apocalyptic number.

It is an amenable number.

142668716 is a deficient number, since it is larger than the sum of its proper divisors (107001544).

142668716 is a wasteful number, since it uses less digits than its factorization.

142668716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35667183 (or 35667181 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 142668716 is about 11944.4010314457. The cubic root of 142668716 is about 522.5280202917.

The spelling of 142668716 in words is "one hundred forty-two million, six hundred sixty-eight thousand, seven hundred sixteen".