2045545112 has 64 divisors (see below), whose sum is σ = 4321658880. Its totient is φ = 900611712.

The previous prime is 2045545109. The next prime is 2045545129. The reversal of 2045545112 is 2115455402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106573 + ... + 1108419.

It is an arithmetic number, because the mean of its divisors is an integer number (67525920).

Almost surely, 2^2045545112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045545112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160829440).

2045545112 is an abundant number, since it is smaller than the sum of its proper divisors (2276113768).

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

2045545112 is a wasteful number, since it uses less digits than its factorization.

2045545112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2045545112 is about 45227.7029264145. The cubic root of 2045545112 is about 1269.4132309147.

The spelling of 2045545112 in words is "two billion, forty-five million, five hundred forty-five thousand, one hundred twelve".