143111042 has 16 divisors (see below), whose sum is σ = 221123520. Its totient is φ = 69414768.

The previous prime is 143110999. The next prime is 143111047. The reversal of 143111042 is 240111341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143111042.

It is not an unprimeable number, because it can be changed into a prime (143111047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23873 + ... + 29259.

It is an arithmetic number, because the mean of its divisors is an integer number (13820220).

Almost surely, 2^143111042 is an apocalyptic number.

143111042 is a deficient number, since it is larger than the sum of its proper divisors (78012478).

143111042 is a wasteful number, since it uses less digits than its factorization.

143111042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 143111042 is about 11962.9027413918. The cubic root of 143111042 is about 523.0674734752.

Adding to 143111042 its reverse (240111341), we get a palindrome (383222383).

The spelling of 143111042 in words is "one hundred forty-three million, one hundred eleven thousand, forty-two".