14143643 has 16 divisors (see below), whose sum is σ = 15909696. Its totient is φ = 12503040.

The previous prime is 14143639. The next prime is 14143669. The reversal of 14143643 is 34634141.

It is a cyclic number.

It is not a de Polignac number, because 14143643 - 2² = 14143639 is a prime.

It is a super-2 number, since 2×14143643² = 400085274622898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14143043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23555 + ... + 24147.

It is an arithmetic number, because the mean of its divisors is an integer number (994356).

Almost surely, 2^14143643 is an apocalyptic number.

14143643 is a deficient number, since it is larger than the sum of its proper divisors (1766053).

14143643 is a wasteful number, since it uses less digits than its factorization.

14143643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694.

The product of its digits is 3456, while the sum is 26.

The square root of 14143643 is about 3760.8035045719. The cubic root of 14143643 is about 241.8357091308.

Adding to 14143643 its reverse (34634141), we get a palindrome (48777784).

The spelling of 14143643 in words is "fourteen million, one hundred forty-three thousand, six hundred forty-three".