142860269 has 2 divisors, whose sum is σ = 142860270. Its totient is φ = 142860268.

The previous prime is 142860253. The next prime is 142860329. The reversal of 142860269 is 962068241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138344644 + 4515625 = 11762^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 142860269 - 2⁴ = 142860253 is a prime.

It is a super-2 number, since 2×142860269² = 40818112917504722, 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 (142860229) 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, 71430134 + 71430135.

It is an arithmetic number, because the mean of its divisors is an integer number (71430135).

Almost surely, 2^142860269 is an apocalyptic number.

It is an amenable number.

142860269 is a deficient number, since it is larger than the sum of its proper divisors (1).

142860269 is an equidigital number, since it uses as much as digits as its factorization.

142860269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 142860269 is about 11952.4168685668. The cubic root of 142860269 is about 522.7617717177.

The spelling of 142860269 in words is "one hundred forty-two million, eight hundred sixty thousand, two hundred sixty-nine".