14220143 has 24 divisors (see below), whose sum is σ = 17967312. Its totient is φ = 11176704.

The previous prime is 14220133. The next prime is 14220191. The reversal of 14220143 is 34102241.

It is not a de Polignac number, because 14220143 - 2⁴ = 14220127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220133) 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 23 ways as a sum of consecutive naturals, for example, 35621 + ... + 36017.

It is an arithmetic number, because the mean of its divisors is an integer number (748638).

Almost surely, 2^14220143 is an apocalyptic number.

14220143 is a deficient number, since it is larger than the sum of its proper divisors (3747169).

14220143 is a wasteful number, since it uses less digits than its factorization.

14220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14220143 is about 3770.9604877272. The cubic root of 14220143 is about 242.2709382683.

Adding to 14220143 its reverse (34102241), we get a palindrome (48322384).

The spelling of 14220143 in words is "fourteen million, two hundred twenty thousand, one hundred forty-three".