14143641 has 4 divisors (see below), whose sum is σ = 18858192. Its totient is φ = 9429092.

The previous prime is 14143639. The next prime is 14143669. The reversal of 14143641 is 14634141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14143641 - 2¹ = 14143639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14143601) 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 in 3 ways as a sum of consecutive naturals, for example, 2357271 + ... + 2357276.

It is an arithmetic number, because the mean of its divisors is an integer number (4714548).

Almost surely, 2^14143641 is an apocalyptic number.

It is an amenable number.

14143641 is a deficient number, since it is larger than the sum of its proper divisors (4714551).

14143641 is an equidigital number, since it uses as much as digits as its factorization.

14143641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714550.

The product of its digits is 1152, while the sum is 24.

The square root of 14143641 is about 3760.8032386712. The cubic root of 14143641 is about 241.8356977318.

Adding to 14143641 its reverse (14634141), we get a palindrome (28777782).

The spelling of 14143641 in words is "fourteen million, one hundred forty-three thousand, six hundred forty-one".