14642281 has 2 divisors, whose sum is σ = 14642282. Its totient is φ = 14642280.

The previous prime is 14642249. The next prime is 14642347. The reversal of 14642281 is 18224641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 5546025 = 3016^2 + 2355^2 .

It is a cyclic number.

It is not a de Polignac number, because 14642281 - 2⁵ = 14642249 is a prime.

It is a super-2 number, since 2×14642281² = 428792785765922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14642581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7321140 + 7321141.

It is an arithmetic number, because the mean of its divisors is an integer number (7321141).

Almost surely, 2^14642281 is an apocalyptic number.

It is an amenable number.

14642281 is a deficient number, since it is larger than the sum of its proper divisors (1).

14642281 is an equidigital number, since it uses as much as digits as its factorization.

14642281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 14642281 is about 3826.5233567822. The cubic root of 14642281 is about 244.6449445367.

The spelling of 14642281 in words is "fourteen million, six hundred forty-two thousand, two hundred eighty-one".