142947916 has 12 divisors (see below), whose sum is σ = 250331200. Its totient is φ = 71424720.

The previous prime is 142947911. The next prime is 142947947. The reversal of 142947916 is 619749241.

It is not an unprimeable number, because it can be changed into a prime (142947911) 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 in 3 ways as a sum of consecutive naturals, for example, 5340 + ... + 17731.

Almost surely, 2^142947916 is an apocalyptic number.

It is an amenable number.

142947916 is a deficient number, since it is larger than the sum of its proper divisors (107383284).

142947916 is a wasteful number, since it uses less digits than its factorization.

142947916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24624 (or 24622 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 142947916 is about 11956.0828033265. The cubic root of 142947916 is about 522.8686573582.

The spelling of 142947916 in words is "one hundred forty-two million, nine hundred forty-seven thousand, nine hundred sixteen".