142235263 has 2 divisors, whose sum is σ = 142235264. Its totient is φ = 142235262.

The previous prime is 142235239. The next prime is 142235279. The reversal of 142235263 is 362532241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142235263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142235213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71117631 + 71117632.

It is an arithmetic number, because the mean of its divisors is an integer number (71117632).

Almost surely, 2^142235263 is an apocalyptic number.

142235263 is a deficient number, since it is larger than the sum of its proper divisors (1).

142235263 is an equidigital number, since it uses as much as digits as its factorization.

142235263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 142235263 is about 11926.2426186960. The cubic root of 142235263 is about 521.9983057054.

The spelling of 142235263 in words is "one hundred forty-two million, two hundred thirty-five thousand, two hundred sixty-three".