47738143 has 2 divisors, whose sum is σ = 47738144. Its totient is φ = 47738142.

The previous prime is 47738137. The next prime is 47738153. The reversal of 47738143 is 34183774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47738143 - 2¹⁷ = 47607071 is a prime.

It is equal to p_2873359 and since 47738143 and 2873359 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47738113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23869071 + 23869072.

It is an arithmetic number, because the mean of its divisors is an integer number (23869072).

Almost surely, 2^47738143 is an apocalyptic number.

47738143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47738143 is an equidigital number, since it uses as much as digits as its factorization.

47738143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 47738143 is about 6909.2794848667. The cubic root of 47738143 is about 362.7620440594.

The spelling of 47738143 in words is "forty-seven million, seven hundred thirty-eight thousand, one hundred forty-three".