4111145 has 4 divisors (see below), whose sum is σ = 4933380. Its totient is φ = 3288912.

The previous prime is 4111139. The next prime is 4111147. The reversal of 4111145 is 5411114.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1982464 + 2128681 = 1408^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 4111145 - 2¹⁰ = 4110121 is a prime.

It is a super-2 number, since 2×4111145² = 33803026422050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4111147) 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, 411110 + ... + 411119.

It is an arithmetic number, because the mean of its divisors is an integer number (1233345).

Almost surely, 2^4111145 is an apocalyptic number.

It is an amenable number.

4111145 is a deficient number, since it is larger than the sum of its proper divisors (822235).

4111145 is an equidigital number, since it uses as much as digits as its factorization.

4111145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822234.

The product of its digits is 80, while the sum is 17.

The square root of 4111145 is about 2027.5958670307. The cubic root of 4111145 is about 160.1969579686.

Adding to 4111145 its reverse (5411114), we get a palindrome (9522259).

The spelling of 4111145 in words is "four million, one hundred eleven thousand, one hundred forty-five".