214144237 has 4 divisors (see below), whose sum is σ = 223454880. Its totient is φ = 204833596.

The previous prime is 214144219. The next prime is 214144241. The reversal of 214144237 is 732441412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214144237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214144037) 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, 4655287 + ... + 4655332.

It is an arithmetic number, because the mean of its divisors is an integer number (55863720).

Almost surely, 2^214144237 is an apocalyptic number.

It is an amenable number.

214144237 is a deficient number, since it is larger than the sum of its proper divisors (9310643).

214144237 is an equidigital number, since it uses as much as digits as its factorization.

214144237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310642.

The product of its digits is 5376, while the sum is 28.

The square root of 214144237 is about 14633.6679270783. The cubic root of 214144237 is about 598.2767563832.

Adding to 214144237 its reverse (732441412), we get a palindrome (946585649).

It can be divided in two parts, 21414 and 4237, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 214144237 in words is "two hundred fourteen million, one hundred forty-four thousand, two hundred thirty-seven".