142214269 has 2 divisors, whose sum is σ = 142214270. Its totient is φ = 142214268.

The previous prime is 142214213. The next prime is 142214311. The reversal of 142214269 is 962412241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105308644 + 36905625 = 10262^2 + 6075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142214269 is a prime.

It is a super-2 number, since 2×142214269² = 40449796614408722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142214269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142211269) 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, 71107134 + 71107135.

It is an arithmetic number, because the mean of its divisors is an integer number (71107135).

Almost surely, 2^142214269 is an apocalyptic number.

It is an amenable number.

142214269 is a deficient number, since it is larger than the sum of its proper divisors (1).

142214269 is an equidigital number, since it uses as much as digits as its factorization.

142214269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 142214269 is about 11925.3624263584. The cubic root of 142214269 is about 521.9726220331.

The spelling of 142214269 in words is "one hundred forty-two million, two hundred fourteen thousand, two hundred sixty-nine".