4144181 has 2 divisors, whose sum is σ = 4144182. Its totient is φ = 4144180.

The previous prime is 4144177. The next prime is 4144201. The reversal of 4144181 is 1814414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 1612900 = 1591^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144181 - 2² = 4144177 is a prime.

It is a super-2 number, since 2×4144181² = 34348472321522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4144121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072090 + 2072091.

It is an arithmetic number, because the mean of its divisors is an integer number (2072091).

Almost surely, 2^4144181 is an apocalyptic number.

It is an amenable number.

4144181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144181 is an equidigital number, since it uses as much as digits as its factorization.

4144181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512, while the sum is 23.

The square root of 4144181 is about 2035.7261603664. The cubic root of 4144181 is about 160.6249128677.

Adding to 4144181 its reverse (1814414), we get a palindrome (5958595).

The spelling of 4144181 in words is "four million, one hundred forty-four thousand, one hundred eighty-one".