142873057 has 2 divisors, whose sum is σ = 142873058. Its totient is φ = 142873056.

The previous prime is 142873039. The next prime is 142873063. The reversal of 142873057 is 750378241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142826401 + 46656 = 11951^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 142873057 - 2¹⁵ = 142840289 is a prime.

It is not a weakly prime, because it can be changed into another prime (142873067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71436528 + 71436529.

It is an arithmetic number, because the mean of its divisors is an integer number (71436529).

Almost surely, 2^142873057 is an apocalyptic number.

It is an amenable number.

142873057 is a deficient number, since it is larger than the sum of its proper divisors (1).

142873057 is an equidigital number, since it uses as much as digits as its factorization.

142873057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 142873057 is about 11952.9518111636. The cubic root of 142873057 is about 522.7773694252. Note that the first 3 decimals are identical.

The spelling of 142873057 in words is "one hundred forty-two million, eight hundred seventy-three thousand, fifty-seven".