143224266221165 has 16 divisors (see below), whose sum is σ = 174225353954736. Its totient is φ = 113008623552000.

The previous prime is 143224266221159. The next prime is 143224266221167. The reversal of 143224266221165 is 561122662422341.

143224266221165 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 8 ways, for example, as 253986768841 + 142970279452324 = 503971^2 + 11957018^2 .

It is not a de Polignac number, because 143224266221165 - 2²⁰ = 143224265172589 is a prime.

It is a super-2 number, since 2×143224266221165² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143224266221167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32880755 + ... + 36980975.

It is an arithmetic number, because the mean of its divisors is an integer number (10889084622171).

Almost surely, 2^{143224266221165} is an apocalyptic number.

It is an amenable number.

143224266221165 is a deficient number, since it is larger than the sum of its proper divisors (31001087733571).

143224266221165 is an equidigital number, since it uses as much as digits as its factorization.

143224266221165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196000.

The product of its digits is 1658880, while the sum is 47.

The spelling of 143224266221165 in words is "one hundred forty-three trillion, two hundred twenty-four billion, two hundred sixty-six million, two hundred twenty-one thousand, one hundred sixty-five".