4500111 has 48 divisors (see below), whose sum is σ = 8011008. Its totient is φ = 2236080.

The previous prime is 4500103. The next prime is 4500127. The reversal of 4500111 is 1110054.

It is a happy number.

It is not a de Polignac number, because 4500111 - 2³ = 4500103 is a prime.

4500111 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500161) 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 47 ways as a sum of consecutive naturals, for example, 195646 + ... + 195668.

It is an arithmetic number, because the mean of its divisors is an integer number (166896).

Almost surely, 2^4500111 is an apocalyptic number.

4500111 is a deficient number, since it is larger than the sum of its proper divisors (3510897).

4500111 is a wasteful number, since it uses less digits than its factorization.

4500111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 4500111 is about 2121.3465063492. The cubic root of 4500111 is about 165.0977198926.

Adding to 4500111 its reverse (1110054), we get a palindrome (5610165).

It can be divided in two parts, 4500 and 111, that multiplied together give a triangular number (499500 = T₉₉₉).

The spelling of 4500111 in words is "four million, five hundred thousand, one hundred eleven".