45216111 has 4 divisors (see below), whose sum is σ = 60288152. Its totient is φ = 30144072.

The previous prime is 45216103. The next prime is 45216113. The reversal of 45216111 is 11161254.

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

It is not a de Polignac number, because 45216111 - 2³ = 45216103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216113) 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, 7536016 + ... + 7536021.

It is an arithmetic number, because the mean of its divisors is an integer number (15072038).

Almost surely, 2^45216111 is an apocalyptic number.

45216111 is a deficient number, since it is larger than the sum of its proper divisors (15072041).

45216111 is a wasteful number, since it uses less digits than its factorization.

45216111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072040.

The product of its digits is 240, while the sum is 21.

The square root of 45216111 is about 6724.2926021999. The cubic root of 45216111 is about 356.2578167568.

Adding to 45216111 its reverse (11161254), we get a palindrome (56377365).

The spelling of 45216111 in words is "forty-five million, two hundred sixteen thousand, one hundred eleven".