45505803384845 has 18 divisors (see below), whose sum is σ = 55657701946014. Its totient is φ = 35717135159680.

The previous prime is 45505803384817. The next prime is 45505803384863. The reversal of 45505803384845 is 54848330850554.

45505803384845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 2919594177124 + 42586209207721 = 1708682^2 + 6525811^2 .

It is not a de Polignac number, because 45505803384845 - 2¹⁴ = 45505803368461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 799426985 + ... + 799483905.

Almost surely, 2^{45505803384845} is an apocalyptic number.

It is an amenable number.

45505803384845 is a deficient number, since it is larger than the sum of its proper divisors (10151898561169).

45505803384845 is an frugal number, since it uses more digits than its factorization.

45505803384845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113953 (or 56979 counting only the distinct ones).

The product of its (nonzero) digits is 184320000, while the sum is 62.

The spelling of 45505803384845 in words is "forty-five trillion, five hundred five billion, eight hundred three million, three hundred eighty-four thousand, eight hundred forty-five".