143001300221 has 4 divisors (see below), whose sum is σ = 154001400252. Its totient is φ = 132001200192.

The previous prime is 143001300181. The next prime is 143001300223. The reversal of 143001300221 is 122003100341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80744064025 + 62257236196 = 284155^2 + 249514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143001300221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143001300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143001300223) 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, 5500049996 + ... + 5500050021.

It is an arithmetic number, because the mean of its divisors is an integer number (38500350063).

Almost surely, 2^143001300221 is an apocalyptic number.

It is an amenable number.

143001300221 is a deficient number, since it is larger than the sum of its proper divisors (11000100031).

143001300221 is a wasteful number, since it uses less digits than its factorization.

143001300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000100030.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 143001300221 its reverse (122003100341), we get a palindrome (265004400562).

The spelling of 143001300221 in words is "one hundred forty-three billion, one million, three hundred thousand, two hundred twenty-one".