142966979 has 2 divisors, whose sum is σ = 142966980. Its totient is φ = 142966978.

The previous prime is 142966939. The next prime is 142967017. The reversal of 142966979 is 979669241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142966979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142966979.

It is not a weakly prime, because it can be changed into another prime (142966939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71483489 + 71483490.

It is an arithmetic number, because the mean of its divisors is an integer number (71483490).

Almost surely, 2^142966979 is an apocalyptic number.

142966979 is a deficient number, since it is larger than the sum of its proper divisors (1).

142966979 is an equidigital number, since it uses as much as digits as its factorization.

142966979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 142966979 is about 11956.8799860164. The cubic root of 142966979 is about 522.8918989287.

The spelling of 142966979 in words is "one hundred forty-two million, nine hundred sixty-six thousand, nine hundred seventy-nine".