47145227 has 2 divisors, whose sum is σ = 47145228. Its totient is φ = 47145226.

The previous prime is 47145211. The next prime is 47145229. The reversal of 47145227 is 72254174.

47145227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47145227 - 2⁴ = 47145211 is a prime.

Together with 47145229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47145193 and 47145202.

It is not a weakly prime, because it can be changed into another prime (47145229) 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 as a sum of consecutive naturals, namely, 23572613 + 23572614.

It is an arithmetic number, because the mean of its divisors is an integer number (23572614).

Almost surely, 2^47145227 is an apocalyptic number.

47145227 is a deficient number, since it is larger than the sum of its proper divisors (1).

47145227 is an equidigital number, since it uses as much as digits as its factorization.

47145227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 32.

The square root of 47145227 is about 6866.2381986063. The cubic root of 47145227 is about 361.2539272331.

The spelling of 47145227 in words is "forty-seven million, one hundred forty-five thousand, two hundred twenty-seven".