142565243 has 2 divisors, whose sum is σ = 142565244. Its totient is φ = 142565242.

The previous prime is 142565221. The next prime is 142565251. The reversal of 142565243 is 342565241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142565243 - 2⁸ = 142564987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142565543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71282621 + 71282622.

It is an arithmetic number, because the mean of its divisors is an integer number (71282622).

Almost surely, 2^142565243 is an apocalyptic number.

142565243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142565243 is an equidigital number, since it uses as much as digits as its factorization.

142565243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 142565243 is about 11940.0688021468. The cubic root of 142565243 is about 522.4016655220.

The spelling of 142565243 in words is "one hundred forty-two million, five hundred sixty-five thousand, two hundred forty-three".