47044147 has 2 divisors, whose sum is σ = 47044148. Its totient is φ = 47044146.

The previous prime is 47044139. The next prime is 47044163. The reversal of 47044147 is 74144074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47044147 - 2³ = 47044139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47044447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23522073 + 23522074.

It is an arithmetic number, because the mean of its divisors is an integer number (23522074).

Almost surely, 2^47044147 is an apocalyptic number.

47044147 is a deficient number, since it is larger than the sum of its proper divisors (1).

47044147 is an equidigital number, since it uses as much as digits as its factorization.

47044147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 47044147 is about 6858.8735955695. The cubic root of 47044147 is about 360.9955647432.

The spelling of 47044147 in words is "forty-seven million, forty-four thousand, one hundred forty-seven".