143643532145 has 4 divisors (see below), whose sum is σ = 172372238580. Its totient is φ = 114914825712.

The previous prime is 143643532133. The next prime is 143643532169. The reversal of 143643532145 is 541235346341.

It is a happy number.

143643532145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541235346341 = 1171 ⋅462199271.

It can be written as a sum of positive squares in 2 ways, for example, as 107515786816 + 36127745329 = 327896^2 + 190073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143643532145 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14364353210 + ... + 14364353219.

It is an arithmetic number, because the mean of its divisors is an integer number (43093059645).

Almost surely, 2^143643532145 is an apocalyptic number.

It is an amenable number.

143643532145 is a deficient number, since it is larger than the sum of its proper divisors (28728706435).

143643532145 is an equidigital number, since it uses as much as digits as its factorization.

143643532145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28728706434.

The product of its digits is 518400, while the sum is 41.

Adding to 143643532145 its reverse (541235346341), we get a palindrome (684878878486).

The spelling of 143643532145 in words is "one hundred forty-three billion, six hundred forty-three million, five hundred thirty-two thousand, one hundred forty-five".