478325143 has 2 divisors, whose sum is σ = 478325144. Its totient is φ = 478325142.

The previous prime is 478325087. The next prime is 478325161. The reversal of 478325143 is 341523874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478325143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478325543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239162571 + 239162572.

It is an arithmetic number, because the mean of its divisors is an integer number (239162572).

Almost surely, 2^478325143 is an apocalyptic number.

478325143 is a deficient number, since it is larger than the sum of its proper divisors (1).

478325143 is an equidigital number, since it uses as much as digits as its factorization.

478325143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 478325143 is about 21870.6456923430. The cubic root of 478325143 is about 782.0617942722.

It can be divided in two parts, 47832 and 5143, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 478325143 in words is "four hundred seventy-eight million, three hundred twenty-five thousand, one hundred forty-three".