2012045445 has 24 divisors (see below), whose sum is σ = 3488667000. Its totient is φ = 1072745856.

The previous prime is 2012045437. The next prime is 2012045461. The reversal of 2012045445 is 5445402102.

2012045445 is a `hidden beast` number, since 201 + 2 + 0 + 454 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 805594689 + 1206450756 = 28383^2 + 34734^2 .

It is not a de Polignac number, because 2012045445 - 2³ = 2012045437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199791 + ... + 209619.

It is an arithmetic number, because the mean of its divisors is an integer number (145361125).

Almost surely, 2^2012045445 is an apocalyptic number.

It is an amenable number.

2012045445 is a deficient number, since it is larger than the sum of its proper divisors (1476621555).

2012045445 is a wasteful number, since it uses less digits than its factorization.

2012045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14389 (or 14386 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2012045445 is about 44855.8295542508. The cubic root of 2012045445 is about 1262.4453738414.

Adding to 2012045445 its reverse (5445402102), we get a palindrome (7457447547).

The spelling of 2012045445 in words is "two billion, twelve million, forty-five thousand, four hundred forty-five".