47205143 has 2 divisors, whose sum is σ = 47205144. Its totient is φ = 47205142.

The previous prime is 47205121. The next prime is 47205161. The reversal of 47205143 is 34150274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47205143 - 2⁶ = 47205079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47205043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602571 + 23602572.

It is an arithmetic number, because the mean of its divisors is an integer number (23602572).

Almost surely, 2^47205143 is an apocalyptic number.

47205143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47205143 is an equidigital number, since it uses as much as digits as its factorization.

47205143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 47205143 is about 6870.5999010276. The cubic root of 47205143 is about 361.4068994340.

The spelling of 47205143 in words is "forty-seven million, two hundred five thousand, one hundred forty-three".