4145223 has 16 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 2650560.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145223 is 3225414.

4145223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4145223 - 2⁵ = 4145191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4145223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7990 + ... + 8492.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

Almost surely, 2^4145223 is an apocalyptic number.

4145223 is a deficient number, since it is larger than the sum of its proper divisors (1612473).

4145223 is a wasteful number, since it uses less digits than its factorization.

4145223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its digits is 960, while the sum is 21.

The square root of 4145223 is about 2035.9820726126. The cubic root of 4145223 is about 160.6383740826.

The spelling of 4145223 in words is "four million, one hundred forty-five thousand, two hundred twenty-three".