214102443 has 4 divisors (see below), whose sum is σ = 285469928. Its totient is φ = 142734960.

The previous prime is 214102439. The next prime is 214102459. The reversal of 214102443 is 344201412.

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

It is not a de Polignac number, because 214102443 - 2² = 214102439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214102433) 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, 35683738 + ... + 35683743.

It is an arithmetic number, because the mean of its divisors is an integer number (71367482).

Almost surely, 2^214102443 is an apocalyptic number.

214102443 is a deficient number, since it is larger than the sum of its proper divisors (71367485).

214102443 is an equidigital number, since it uses as much as digits as its factorization.

214102443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71367484.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 214102443 is about 14632.2398490457. The cubic root of 214102443 is about 598.2378324536.

Adding to 214102443 its reverse (344201412), we get a palindrome (558303855).

The spelling of 214102443 in words is "two hundred fourteen million, one hundred two thousand, four hundred forty-three".