2045453312 has 88 divisors (see below), whose sum is σ = 4690741440. Its totient is φ = 873308160.

The previous prime is 2045453261. The next prime is 2045453321. The reversal of 2045453312 is 2133545402.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3304139 + ... + 3304757.

It is an arithmetic number, because the mean of its divisors is an integer number (53303880).

Almost surely, 2^2045453312 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 2045453312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2345370720).

2045453312 is an abundant number, since it is smaller than the sum of its proper divisors (2645288128).

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

2045453312 is an equidigital number, since it uses as much as digits as its factorization.

2045453312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2045453312 is about 45226.6880503094. The cubic root of 2045453312 is about 1269.3942410495.

Adding to 2045453312 its reverse (2133545402), we get a palindrome (4178998714).

The spelling of 2045453312 in words is "two billion, forty-five million, four hundred fifty-three thousand, three hundred twelve".