142752977 has 2 divisors, whose sum is σ = 142752978. Its totient is φ = 142752976.

The previous prime is 142752949. The next prime is 142752989. The reversal of 142752977 is 779257241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133656721 + 9096256 = 11561^2 + 3016^2 .

It is a cyclic number.

It is not a de Polignac number, because 142752977 - 2⁶ = 142752913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142752917) 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, 71376488 + 71376489.

It is an arithmetic number, because the mean of its divisors is an integer number (71376489).

Almost surely, 2^142752977 is an apocalyptic number.

It is an amenable number.

142752977 is a deficient number, since it is larger than the sum of its proper divisors (1).

142752977 is an equidigital number, since it uses as much as digits as its factorization.

142752977 is an odious number, because the sum of its binary digits is odd.

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

The square root of 142752977 is about 11947.9277282715. The cubic root of 142752977 is about 522.6308694416.

The spelling of 142752977 in words is "one hundred forty-two million, seven hundred fifty-two thousand, nine hundred seventy-seven".