142605263 has 2 divisors, whose sum is σ = 142605264. Its totient is φ = 142605262.

The previous prime is 142605247. The next prime is 142605269. The reversal of 142605263 is 362506241.

It is a strong prime.

It is an emirp because it is prime and its reverse (362506241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142605263 - 2⁴ = 142605247 is a prime.

It is a super-2 number, since 2×142605263² = 40672522070598338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142605269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71302631 + 71302632.

It is an arithmetic number, because the mean of its divisors is an integer number (71302632).

Almost surely, 2^142605263 is an apocalyptic number.

142605263 is a deficient number, since it is larger than the sum of its proper divisors (1).

142605263 is an equidigital number, since it uses as much as digits as its factorization.

142605263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 142605263 is about 11941.7445542936. The cubic root of 142605263 is about 522.4505426963.

The spelling of 142605263 in words is "one hundred forty-two million, six hundred five thousand, two hundred sixty-three".