14144021 has 2 divisors, whose sum is σ = 14144022. Its totient is φ = 14144020.

The previous prime is 14144003. The next prime is 14144023. The reversal of 14144021 is 12044141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13359025 + 784996 = 3655^2 + 886^2 .

It is an emirp because it is prime and its reverse (12044141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14144021 - 2⁶ = 14143957 is a prime.

Together with 14144023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14144023) 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, 7072010 + 7072011.

It is an arithmetic number, because the mean of its divisors is an integer number (7072011).

Almost surely, 2^14144021 is an apocalyptic number.

It is an amenable number.

14144021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14144021 is an equidigital number, since it uses as much as digits as its factorization.

14144021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 14144021 is about 3760.8537594541. The cubic root of 14144021 is about 241.8378635282.

Adding to 14144021 its reverse (12044141), we get a palindrome (26188162).

The spelling of 14144021 in words is "fourteen million, one hundred forty-four thousand, twenty-one".