5445437805 has 24 divisors (see below), whose sum is σ = 9525361560. Its totient is φ = 2877586560.

The previous prime is 5445437779. The next prime is 5445437839. The reversal of 5445437805 is 5087345445.

It can be written as a sum of positive squares in 4 ways, for example, as 667033929 + 4778403876 = 25827^2 + 69126^2 .

It is not a de Polignac number, because 5445437805 - 2¹⁷ = 5445306733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550186 + ... + 559995.

It is an arithmetic number, because the mean of its divisors is an integer number (396890065).

Almost surely, 2^5445437805 is an apocalyptic number.

It is an amenable number.

5445437805 is a deficient number, since it is larger than the sum of its proper divisors (4079923755).

5445437805 is a wasteful number, since it uses less digits than its factorization.

5445437805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110301 (or 1110298 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

The square root of 5445437805 is about 73793.2097485941. The cubic root of 5445437805 is about 1759.3176811258.

The spelling of 5445437805 in words is "five billion, four hundred forty-five million, four hundred thirty-seven thousand, eight hundred five".