2045443512 has 32 divisors (see below), whose sum is σ = 5844124800. Its totient is φ = 584412384.

The previous prime is 2045443507. The next prime is 2045443531. The reversal of 2045443512 is 2153445402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045443512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6087462 + ... + 6087797.

It is an arithmetic number, because the mean of its divisors is an integer number (182628900).

Almost surely, 2^2045443512 is an apocalyptic number.

It is an amenable number.

2045443512 is an abundant number, since it is smaller than the sum of its proper divisors (3798681288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045443512 is a wasteful number, since it uses less digits than its factorization.

2045443512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175275 (or 12175271 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2045443512 is about 45226.5797070705. The cubic root of 2045443512 is about 1269.3922137754.

Adding to 2045443512 its reverse (2153445402), we get a palindrome (4198888914).

The spelling of 2045443512 in words is "two billion, forty-five million, four hundred forty-three thousand, five hundred twelve".