2045444451 has 16 divisors (see below), whose sum is σ = 2771341440. Its totient is φ = 1341679680.

The previous prime is 2045444417. The next prime is 2045444473. The reversal of 2045444451 is 1544445402.

2045444451 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2045444451 - 2¹³ = 2045436259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045444491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80616 + ... + 102906.

It is an arithmetic number, because the mean of its divisors is an integer number (173208840).

Almost surely, 2^2045444451 is an apocalyptic number.

2045444451 is a deficient number, since it is larger than the sum of its proper divisors (725896989).

2045444451 is a wasteful number, since it uses less digits than its factorization.

2045444451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22786.

The product of its (nonzero) digits is 51200, while the sum is 33.

The square root of 2045444451 is about 45226.5900881329. The cubic root of 2045444451 is about 1269.3924080216.

Adding to 2045444451 its reverse (1544445402), we get a palindrome (3589889853).

The spelling of 2045444451 in words is "two billion, forty-five million, four hundred forty-four thousand, four hundred fifty-one".