214445243 has 2 divisors, whose sum is σ = 214445244. Its totient is φ = 214445242.

The previous prime is 214445239. The next prime is 214445251. The reversal of 214445243 is 342544412.

214445243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214445243 - 2² = 214445239 is a prime.

It is not a weakly prime, because it can be changed into another prime (214445213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107222621 + 107222622.

It is an arithmetic number, because the mean of its divisors is an integer number (107222622).

Almost surely, 2^214445243 is an apocalyptic number.

214445243 is a deficient number, since it is larger than the sum of its proper divisors (1).

214445243 is an equidigital number, since it uses as much as digits as its factorization.

214445243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 29.

The square root of 214445243 is about 14643.9490234021. The cubic root of 214445243 is about 598.5569422750.

Adding to 214445243 its reverse (342544412), we get a palindrome (556989655).

The spelling of 214445243 in words is "two hundred fourteen million, four hundred forty-five thousand, two hundred forty-three".