2045444232 has 128 divisors (see below), whose sum is σ = 5764469760. Its totient is φ = 600514560.

The previous prime is 2045444227. The next prime is 2045444237. The reversal of 2045444232 is 2324445402.

It is an interprime number because it is at equal distance from previous prime (2045444227) and next prime (2045444237).

It is a self number, because there is not a number n which added to its sum of digits gives 2045444232.

It is not an unprimeable number, because it can be changed into a prime (2045444237) 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, 704608 + ... + 707504.

It is an arithmetic number, because the mean of its divisors is an integer number (45034920).

Almost surely, 2^2045444232 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 2045444232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2882234880).

2045444232 is an abundant number, since it is smaller than the sum of its proper divisors (3719025528).

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

2045444232 is a wasteful number, since it uses less digits than its factorization.

2045444232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 2045444232 is about 45226.5876669908. The cubic root of 2045444232 is about 1269.3923627182.

Adding to 2045444232 its reverse (2324445402), we get a palindrome (4369889634).

The spelling of 2045444232 in words is "two billion, forty-five million, four hundred forty-four thousand, two hundred thirty-two".