47165143 has 2 divisors, whose sum is σ = 47165144. Its totient is φ = 47165142.

The previous prime is 47165141. The next prime is 47165179. The reversal of 47165143 is 34156174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47165143 - 2¹ = 47165141 is a prime.

Together with 47165141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47165141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23582571 + 23582572.

It is an arithmetic number, because the mean of its divisors is an integer number (23582572).

Almost surely, 2^47165143 is an apocalyptic number.

47165143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47165143 is an equidigital number, since it uses as much as digits as its factorization.

47165143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 47165143 is about 6867.6883301443. The cubic root of 47165143 is about 361.3047893655.

The spelling of 47165143 in words is "forty-seven million, one hundred sixty-five thousand, one hundred forty-three".