214543 has 4 divisors (see below), whose sum is σ = 245200. Its totient is φ = 183888.

The previous prime is 214541. The next prime is 214559. The reversal of 214543 is 345412.

214543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 214543 - 2¹ = 214541 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

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 214543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214541) 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, 15318 + ... + 15331.

It is an arithmetic number, because the mean of its divisors is an integer number (61300).

2²¹⁴⁵⁴³ is an apocalyptic number.

214543 is a deficient number, since it is larger than the sum of its proper divisors (30657).

214543 is an equidigital number, since it uses as much as digits as its factorization.

214543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30656.

The product of its digits is 480, while the sum is 19.

The square root of 214543 is about 463.1878668532. The cubic root of 214543 is about 59.8647881173.

Adding to 214543 its reverse (345412), we get a palindrome (559955).

It can be divided in two parts, 2145 and 43, that multiplied together give a triangular number (92235 = T₄₂₉).

The spelling of 214543 in words is "two hundred fourteen thousand, five hundred forty-three".