142787263 has 2 divisors, whose sum is σ = 142787264. Its totient is φ = 142787262.

The previous prime is 142787231. The next prime is 142787279. The reversal of 142787263 is 362787241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142787263 - 2⁵ = 142787231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142787863) 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, 71393631 + 71393632.

It is an arithmetic number, because the mean of its divisors is an integer number (71393632).

Almost surely, 2^142787263 is an apocalyptic number.

142787263 is a deficient number, since it is larger than the sum of its proper divisors (1).

142787263 is an equidigital number, since it uses as much as digits as its factorization.

142787263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 142787263 is about 11949.3624516122. The cubic root of 142787263 is about 522.6727074193.

The spelling of 142787263 in words is "one hundred forty-two million, seven hundred eighty-seven thousand, two hundred sixty-three".