4045111 has 4 divisors (see below), whose sum is σ = 4622992. Its totient is φ = 3467232.

The previous prime is 4045103. The next prime is 4045117. The reversal of 4045111 is 1115404.

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

It is a cyclic number.

It is not a de Polignac number, because 4045111 - 2³ = 4045103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045117) 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, 288930 + ... + 288943.

It is an arithmetic number, because the mean of its divisors is an integer number (1155748).

Almost surely, 2^4045111 is an apocalyptic number.

4045111 is a deficient number, since it is larger than the sum of its proper divisors (577881).

4045111 is an equidigital number, since it uses as much as digits as its factorization.

4045111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577880.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 4045111 is about 2011.2461311336. The cubic root of 4045111 is about 159.3346195788.

The spelling of 4045111 in words is "four million, forty-five thousand, one hundred eleven".