214243443 has 6 divisors (see below), whose sum is σ = 309462764. Its totient is φ = 142828956.

The previous prime is 214243433. The next prime is 214243453. The reversal of 214243443 is 344342412.

It is a happy number.

214243443 is a `hidden beast` number, since 214 + 2 + 4 + 3 + 443 = 666.

It is an interprime number because it is at equal distance from previous prime (214243433) and next prime (214243453).

It is not a de Polignac number, because 214243443 - 2⁸ = 214243187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214243433) 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 5 ways as a sum of consecutive naturals, for example, 11902405 + ... + 11902422.

Almost surely, 2^214243443 is an apocalyptic number.

214243443 is a deficient number, since it is larger than the sum of its proper divisors (95219321).

214243443 is a wasteful number, since it uses less digits than its factorization.

214243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804833 (or 23804830 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 214243443 is about 14637.0571837374. The cubic root of 214243443 is about 598.3691294518.

Adding to 214243443 its reverse (344342412), we get a palindrome (558585855).

The spelling of 214243443 in words is "two hundred fourteen million, two hundred forty-three thousand, four hundred forty-three".