143111391848 has 16 divisors (see below), whose sum is σ = 269302578180. Its totient is φ = 71297371008.

The previous prime is 143111391847. The next prime is 143111391883. The reversal of 143111391848 is 848193111341.

It can be written as a sum of positive squares in 2 ways, for example, as 124156160164 + 18955231684 = 352358^2 + 137678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143111391799 and 143111391808.

It is not an unprimeable number, because it can be changed into a prime (143111391847) 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, 32288261 + ... + 32292692.

Almost surely, 2^143111391848 is an apocalyptic number.

It is an amenable number.

143111391848 is a deficient number, since it is larger than the sum of its proper divisors (126191186332).

143111391848 is a wasteful number, since it uses less digits than its factorization.

143111391848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64581236 (or 64581232 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The spelling of 143111391848 in words is "one hundred forty-three billion, one hundred eleven million, three hundred ninety-one thousand, eight hundred forty-eight".