163485143 has 2 divisors, whose sum is σ = 163485144. Its totient is φ = 163485142.

The previous prime is 163485083. The next prime is 163485167. The reversal of 163485143 is 341584361.

It is a strong prime.

It is an emirp because it is prime and its reverse (341584361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163485143 - 2¹² = 163481047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163485043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81742571 + 81742572.

It is an arithmetic number, because the mean of its divisors is an integer number (81742572).

Almost surely, 2^163485143 is an apocalyptic number.

163485143 is a deficient number, since it is larger than the sum of its proper divisors (1).

163485143 is an equidigital number, since it uses as much as digits as its factorization.

163485143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 163485143 is about 12786.1308846734. The cubic root of 163485143 is about 546.7969672956.

The spelling of 163485143 in words is "one hundred sixty-three million, four hundred eighty-five thousand, one hundred forty-three".