14156643 has 4 divisors (see below), whose sum is σ = 18875528. Its totient is φ = 9437760.

The previous prime is 14156641. The next prime is 14156683. The reversal of 14156643 is 34665141.

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

It is not a de Polignac number, because 14156643 - 2¹ = 14156641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14156643.

It is not an unprimeable number, because it can be changed into a prime (14156641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359438 + ... + 2359443.

It is an arithmetic number, because the mean of its divisors is an integer number (4718882).

Almost surely, 2^14156643 is an apocalyptic number.

14156643 is a deficient number, since it is larger than the sum of its proper divisors (4718885).

14156643 is an equidigital number, since it uses as much as digits as its factorization.

14156643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718884.

The product of its digits is 8640, while the sum is 30.

The square root of 14156643 is about 3762.5314616625. The cubic root of 14156643 is about 241.9097801344.

The spelling of 14156643 in words is "fourteen million, one hundred fifty-six thousand, six hundred forty-three".