214245 has 30 divisors (see below), whose sum is σ = 401478. Its totient is φ = 109296.

The previous prime is 214243. The next prime is 214259. The reversal of 214245 is 542412.

214245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 171396 + 42849 = 414^2 + 207^2 .

It is not a de Polignac number, because 214245 - 2¹ = 214243 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214245.

It is not an unprimeable number, because it can be changed into a prime (214243) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9304 + ... + 9326.

214245 is a Friedman number, since it can be written as 5*(414/2)^2, using all its digits and the basic arithmetic operations.

2²¹⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

214245 is a deficient number, since it is larger than the sum of its proper divisors (187233).

214245 is an equidigital number, since it uses as much as digits as its factorization.

214245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 31 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 214245 is about 462.8660713425. The cubic root of 214245 is about 59.8370578984.

Multiplying 214245 by its product of digits (320), we get a square (68558400 = 8280²).

Adding to 214245 its reverse (542412), we get a palindrome (756657).

It can be divided in two parts, 2142 and 45, that added together give a 7-th power (2187 = 3⁷).

The spelling of 214245 in words is "two hundred fourteen thousand, two hundred forty-five".