45100111 has 4 divisors (see below), whose sum is σ = 51542992. Its totient is φ = 38657232.

The previous prime is 45100109. The next prime is 45100117. The reversal of 45100111 is 11100154.

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 45100111 - 2¹ = 45100109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45100091 and 45100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45100117) 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, 3221430 + ... + 3221443.

It is an arithmetic number, because the mean of its divisors is an integer number (12885748).

Almost surely, 2^45100111 is an apocalyptic number.

45100111 is a deficient number, since it is larger than the sum of its proper divisors (6442881).

45100111 is an equidigital number, since it uses as much as digits as its factorization.

45100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442880.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 45100111 is about 6715.6616204213. The cubic root of 45100111 is about 355.9529011251.

Adding to 45100111 its reverse (11100154), we get a palindrome (56200265).

The spelling of 45100111 in words is "forty-five million, one hundred thousand, one hundred eleven".