1112105445 has 32 divisors (see below), whose sum is σ = 1960377984. Its totient is φ = 533856000.

The previous prime is 1112105441. The next prime is 1112105459. The reversal of 1112105445 is 5445012111.

It is not a de Polignac number, because 1112105445 - 2² = 1112105441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112105441) 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 in 31 ways as a sum of consecutive naturals, for example, 16702 + ... + 50031.

It is an arithmetic number, because the mean of its divisors is an integer number (61261812).

Almost surely, 2^1112105445 is an apocalyptic number.

1112105445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112105445 is a deficient number, since it is larger than the sum of its proper divisors (848272539).

1112105445 is a wasteful number, since it uses less digits than its factorization.

1112105445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66853.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1112105445 is about 33348.2450062968. The cubic root of 1112105445 is about 1036.0530391916.

Adding to 1112105445 its reverse (5445012111), we get a palindrome (6557117556).

The spelling of 1112105445 in words is "one billion, one hundred twelve million, one hundred five thousand, four hundred forty-five".