14401443 has 18 divisors (see below), whose sum is σ = 22408524. Its totient is φ = 8203104.

The previous prime is 14401421. The next prime is 14401459. The reversal of 14401443 is 34410441.

It is not a de Polignac number, because 14401443 - 2⁶ = 14401379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (14401403) 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 in 17 ways as a sum of consecutive naturals, for example, 45855 + ... + 46167.

It is an arithmetic number, because the mean of its divisors is an integer number (1244918).

Almost surely, 2^14401443 is an apocalyptic number.

14401443 is a deficient number, since it is larger than the sum of its proper divisors (8007081).

14401443 is an frugal number, since it uses more digits than its factorization.

14401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14401443 is about 3794.9233193834. The cubic root of 14401443 is about 243.2962060492.

Multiplying 14401443 by its product of nonzero digits (768), we get a square (11060308224 = 105168²).

Adding to 14401443 its reverse (34410441), we get a palindrome (48811884).

The spelling of 14401443 in words is "fourteen million, four hundred one thousand, four hundred forty-three".