142845293 has 2 divisors, whose sum is σ = 142845294. Its totient is φ = 142845292.

The previous prime is 142845259. The next prime is 142845317. The reversal of 142845293 is 392548241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113273449 + 29571844 = 10643^2 + 5438^2 .

It is a cyclic number.

It is not a de Polignac number, because 142845293 - 2¹² = 142841197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142845253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71422646 + 71422647.

It is an arithmetic number, because the mean of its divisors is an integer number (71422647).

Almost surely, 2^142845293 is an apocalyptic number.

It is an amenable number.

142845293 is a deficient number, since it is larger than the sum of its proper divisors (1).

142845293 is an equidigital number, since it uses as much as digits as its factorization.

142845293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 142845293 is about 11951.7903679742. The cubic root of 142845293 is about 522.7435040917.

The spelling of 142845293 in words is "one hundred forty-two million, eight hundred forty-five thousand, two hundred ninety-three".