143111422 has 8 divisors (see below), whose sum is σ = 217253736. Its totient is φ = 70693512.

The previous prime is 143111413. The next prime is 143111453. The reversal of 143111422 is 224111341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 143111422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430893 + ... + 431224.

It is an arithmetic number, because the mean of its divisors is an integer number (27156717).

Almost surely, 2^143111422 is an apocalyptic number.

143111422 is a deficient number, since it is larger than the sum of its proper divisors (74142314).

143111422 is an equidigital number, since it uses as much as digits as its factorization.

143111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862202.

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

The square root of 143111422 is about 11962.9186238142. The cubic root of 143111422 is about 523.0679364384.

Adding to 143111422 its reverse (224111341), we get a palindrome (367222763).

The spelling of 143111422 in words is "one hundred forty-three million, one hundred eleven thousand, four hundred twenty-two".