142230269 has 2 divisors, whose sum is σ = 142230270. Its totient is φ = 142230268.

The previous prime is 142230259. The next prime is 142230281. The reversal of 142230269 is 962032241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81234169 + 60996100 = 9013^2 + 7810^2 .

It is a cyclic number.

It is not a de Polignac number, because 142230269 - 2⁸ = 142230013 is a prime.

It is a super-2 number, since 2×142230269² = 40458898839624722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142230259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71115134 + 71115135.

It is an arithmetic number, because the mean of its divisors is an integer number (71115135).

Almost surely, 2^142230269 is an apocalyptic number.

It is an amenable number.

142230269 is a deficient number, since it is larger than the sum of its proper divisors (1).

142230269 is an equidigital number, since it uses as much as digits as its factorization.

142230269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 142230269 is about 11926.0332466416. The cubic root of 142230269 is about 521.9921963670.

The spelling of 142230269 in words is "one hundred forty-two million, two hundred thirty thousand, two hundred sixty-nine".