143111404 has 24 divisors (see below), whose sum is σ = 259590240. Its totient is φ = 68952576.

The previous prime is 143111399. The next prime is 143111413. The reversal of 143111404 is 404111341.

143111404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83484 + ... + 85180.

It is an arithmetic number, because the mean of its divisors is an integer number (10816260).

Almost surely, 2^143111404 is an apocalyptic number.

It is an amenable number.

143111404 is a deficient number, since it is larger than the sum of its proper divisors (116478836).

143111404 is a wasteful number, since it uses less digits than its factorization.

143111404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 143111404 is about 11962.9178714894. The cubic root of 143111404 is about 523.0679145086.

Adding to 143111404 its reverse (404111341), we get a palindrome (547222745).

The spelling of 143111404 in words is "one hundred forty-three million, one hundred eleven thousand, four hundred four".