142795277 has 2 divisors, whose sum is σ = 142795278. Its totient is φ = 142795276.

The previous prime is 142795267. The next prime is 142795309. The reversal of 142795277 is 772597241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141752836 + 1042441 = 11906^2 + 1021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142795277 is a prime.

It is a super-2 number, since 2×142795277² = 40780982267013458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142795267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71397638 + 71397639.

It is an arithmetic number, because the mean of its divisors is an integer number (71397639).

Almost surely, 2^142795277 is an apocalyptic number.

It is an amenable number.

142795277 is a deficient number, since it is larger than the sum of its proper divisors (1).

142795277 is an equidigital number, since it uses as much as digits as its factorization.

142795277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 44.

The square root of 142795277 is about 11949.6977786051. The cubic root of 142795277 is about 522.6824856508.

The spelling of 142795277 in words is "one hundred forty-two million, seven hundred ninety-five thousand, two hundred seventy-seven".