47844045 has 12 divisors (see below), whose sum is σ = 82929756. Its totient is φ = 25516800.

The previous prime is 47844019. The next prime is 47844047. The reversal of 47844045 is 54044874.

47844045 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 2 ways, for example, as 32114889 + 15729156 = 5667^2 + 3966^2 .

It is not a de Polignac number, because 47844045 - 2¹⁰ = 47843021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47844047) 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 11 ways as a sum of consecutive naturals, for example, 531556 + ... + 531645.

It is an arithmetic number, because the mean of its divisors is an integer number (6910813).

Almost surely, 2^47844045 is an apocalyptic number.

47844045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47844045 is a deficient number, since it is larger than the sum of its proper divisors (35085711).

47844045 is a wasteful number, since it uses less digits than its factorization.

47844045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063212 (or 1063209 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 47844045 is about 6916.9389906229. The cubic root of 47844045 is about 363.0300956310.

The spelling of 47844045 in words is "forty-seven million, eight hundred forty-four thousand, forty-five".