478143143 has 2 divisors, whose sum is σ = 478143144. Its totient is φ = 478143142.

The previous prime is 478143121. The next prime is 478143199. The reversal of 478143143 is 341341874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478143143 - 2²⁰ = 477094567 is a prime.

It is a super-3 number, since 3×478143143³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478146143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239071571 + 239071572.

It is an arithmetic number, because the mean of its divisors is an integer number (239071572).

Almost surely, 2^478143143 is an apocalyptic number.

478143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

478143143 is an equidigital number, since it uses as much as digits as its factorization.

478143143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 478143143 is about 21866.4844682450. The cubic root of 478143143 is about 781.9625916656.

The spelling of 478143143 in words is "four hundred seventy-eight million, one hundred forty-three thousand, one hundred forty-three".