143271775321 has 8 divisors (see below), whose sum is σ = 144676017864. Its totient is φ = 141869925120.

The previous prime is 143271775319. The next prime is 143271775327. The reversal of 143271775321 is 123577172341.

143271775321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 492840000 + 142778935321 = 22200^2 + 377861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143271775321 - 2¹ = 143271775319 is a prime.

It is a super-2 number, since 2×143271775321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143271775327) 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 in 7 ways as a sum of consecutive naturals, for example, 477606 + ... + 717391.

It is an arithmetic number, because the mean of its divisors is an integer number (18084502233).

Almost surely, 2^143271775321 is an apocalyptic number.

It is an amenable number.

143271775321 is a deficient number, since it is larger than the sum of its proper divisors (1404242543).

143271775321 is a wasteful number, since it uses less digits than its factorization.

143271775321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196171.

The product of its digits is 246960, while the sum is 43.

The spelling of 143271775321 in words is "one hundred forty-three billion, two hundred seventy-one million, seven hundred seventy-five thousand, three hundred twenty-one".