142922279 has 2 divisors, whose sum is σ = 142922280. Its totient is φ = 142922278.

The previous prime is 142922267. The next prime is 142922359. The reversal of 142922279 is 972229241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142922279 - 2¹⁶ = 142856743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142924279) 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, 71461139 + 71461140.

It is an arithmetic number, because the mean of its divisors is an integer number (71461140).

Almost surely, 2^142922279 is an apocalyptic number.

142922279 is a deficient number, since it is larger than the sum of its proper divisors (1).

142922279 is an equidigital number, since it uses as much as digits as its factorization.

142922279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 142922279 is about 11955.0106231655. The cubic root of 142922279 is about 522.8373975223.

The spelling of 142922279 in words is "one hundred forty-two million, nine hundred twenty-two thousand, two hundred seventy-nine".