45109112 has 8 divisors (see below), whose sum is σ = 84579600. Its totient is φ = 22554552.

The previous prime is 45109111. The next prime is 45109117. The reversal of 45109112 is 21190154.

It is a happy number.

45109112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45109111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819312 + ... + 2819327.

It is an arithmetic number, because the mean of its divisors is an integer number (10572450).

Almost surely, 2^45109112 is an apocalyptic number.

It is an amenable number.

45109112 is a deficient number, since it is larger than the sum of its proper divisors (39470488).

45109112 is a wasteful number, since it uses less digits than its factorization.

45109112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638645 (or 5638641 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 45109112 is about 6716.3317368933. The cubic root of 45109112 is about 355.9765796990.

Adding to 45109112 its reverse (21190154), we get a palindrome (66299266).

The spelling of 45109112 in words is "forty-five million, one hundred nine thousand, one hundred twelve".