14644142 has 4 divisors (see below), whose sum is σ = 21966216. Its totient is φ = 7322070.

The previous prime is 14644141. The next prime is 14644163. The reversal of 14644142 is 24144641.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14644141) 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, 3661034 + ... + 3661037.

It is an arithmetic number, because the mean of its divisors is an integer number (5491554).

Almost surely, 2^14644142 is an apocalyptic number.

14644142 is a deficient number, since it is larger than the sum of its proper divisors (7322074).

14644142 is an equidigital number, since it uses as much as digits as its factorization.

14644142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322073.

The product of its digits is 3072, while the sum is 26.

The square root of 14644142 is about 3826.7665201838. The cubic root of 14644142 is about 244.6553086995.

Adding to 14644142 its reverse (24144641), we get a palindrome (38788783).

The spelling of 14644142 in words is "fourteen million, six hundred forty-four thousand, one hundred forty-two".