143111241 has 48 divisors (see below), whose sum is σ = 255999744. Its totient is φ = 75019392.

The previous prime is 143111233. The next prime is 143111251. The reversal of 143111241 is 142111341.

It is not a de Polignac number, because 143111241 - 2³ = 143111233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143111251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160900 + ... + 161786.

It is an arithmetic number, because the mean of its divisors is an integer number (5333328).

Almost surely, 2^143111241 is an apocalyptic number.

It is an amenable number.

143111241 is a deficient number, since it is larger than the sum of its proper divisors (112888503).

143111241 is a wasteful number, since it uses less digits than its factorization.

143111241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1107 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 143111241 is about 11962.9110587683. The cubic root of 143111241 is about 523.0677159218.

Adding to 143111241 its reverse (142111341), we get a palindrome (285222582).

The spelling of 143111241 in words is "one hundred forty-three million, one hundred eleven thousand, two hundred forty-one".