47137845 has 16 divisors (see below), whose sum is σ = 75820032. Its totient is φ = 25007040.

The previous prime is 47137817. The next prime is 47137859. The reversal of 47137845 is 54873174.

47137845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47137845 - 2⁹ = 47137333 is a prime.

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 5362 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (4738752).

Almost surely, 2^47137845 is an apocalyptic number.

It is an amenable number.

47137845 is a deficient number, since it is larger than the sum of its proper divisors (28682187).

47137845 is a wasteful number, since it uses less digits than its factorization.

47137845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16652.

The product of its digits is 94080, while the sum is 39.

The square root of 47137845 is about 6865.7006197474. The cubic root of 47137845 is about 361.2350712013.

The spelling of 47137845 in words is "forty-seven million, one hundred thirty-seven thousand, eight hundred forty-five".