143643164233 has 2 divisors, whose sum is σ = 143643164234. Its totient is φ = 143643164232.

The previous prime is 143643164219. The next prime is 143643164263. The reversal of 143643164233 is 332461346341.

143643164233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143101810944 + 541353289 = 378288^2 + 23267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143643164233 is a prime.

It is a super-2 number, since 2×143643164233² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143643164213) 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, 71821582116 + 71821582117.

It is an arithmetic number, because the mean of its divisors is an integer number (71821582117).

Almost surely, 2^143643164233 is an apocalyptic number.

It is an amenable number.

143643164233 is a deficient number, since it is larger than the sum of its proper divisors (1).

143643164233 is an equidigital number, since it uses as much as digits as its factorization.

143643164233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 40.

The spelling of 143643164233 in words is "one hundred forty-three billion, six hundred forty-three million, one hundred sixty-four thousand, two hundred thirty-three".