143664163 has 4 divisors (see below), whose sum is σ = 144760968. Its totient is φ = 142567360.

The previous prime is 143664097. The next prime is 143664167. The reversal of 143664163 is 361466341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361466341 = 859 ⋅420799.

It is a cyclic number.

It is not a de Polignac number, because 143664163 - 2¹³ = 143655971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143664167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548206 + ... + 548467.

It is an arithmetic number, because the mean of its divisors is an integer number (36190242).

Almost surely, 2^143664163 is an apocalyptic number.

143664163 is a deficient number, since it is larger than the sum of its proper divisors (1096805).

143664163 is a wasteful number, since it uses less digits than its factorization.

143664163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096804.

The product of its digits is 31104, while the sum is 34.

The square root of 143664163 is about 11985.9986233939. The cubic root of 143664163 is about 523.7404885463.

The spelling of 143664163 in words is "one hundred forty-three million, six hundred sixty-four thousand, one hundred sixty-three".