142794761 has 2 divisors, whose sum is σ = 142794762. Its totient is φ = 142794760.

The previous prime is 142794739. The next prime is 142794779. The reversal of 142794761 is 167497241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 48219136 = 9725^2 + 6944^2 .

It is a cyclic number.

It is not a de Polignac number, because 142794761 - 2⁶ = 142794697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142764761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71397380 + 71397381.

It is an arithmetic number, because the mean of its divisors is an integer number (71397381).

Almost surely, 2^142794761 is an apocalyptic number.

It is an amenable number.

142794761 is a deficient number, since it is larger than the sum of its proper divisors (1).

142794761 is an equidigital number, since it uses as much as digits as its factorization.

142794761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 142794761 is about 11949.6761880814. The cubic root of 142794761 is about 522.6818560677.

The spelling of 142794761 in words is "one hundred forty-two million, seven hundred ninety-four thousand, seven hundred sixty-one".