14144621 has 4 divisors (see below), whose sum is σ = 14185500. Its totient is φ = 14103744.

The previous prime is 14144593. The next prime is 14144671. The reversal of 14144621 is 12644141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12145225 + 1999396 = 3485^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 14144621 - 2¹⁴ = 14128237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14144671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19916 + ... + 20613.

It is an arithmetic number, because the mean of its divisors is an integer number (3546375).

Almost surely, 2^14144621 is an apocalyptic number.

It is an amenable number.

14144621 is a deficient number, since it is larger than the sum of its proper divisors (40879).

14144621 is an equidigital number, since it uses as much as digits as its factorization.

14144621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40878.

The product of its digits is 768, while the sum is 23.

The square root of 14144621 is about 3760.9335277295. The cubic root of 14144621 is about 241.8412831279.

Adding to 14144621 its reverse (12644141), we get a palindrome (26788762).

The spelling of 14144621 in words is "fourteen million, one hundred forty-four thousand, six hundred twenty-one".