143104142 has 4 divisors (see below), whose sum is σ = 214656216. Its totient is φ = 71552070.

The previous prime is 143104139. The next prime is 143104177. The reversal of 143104142 is 241401341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241401341 = 389 ⋅620569.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35776034 + ... + 35776037.

It is an arithmetic number, because the mean of its divisors is an integer number (53664054).

Almost surely, 2^143104142 is an apocalyptic number.

143104142 is a deficient number, since it is larger than the sum of its proper divisors (71552074).

143104142 is an equidigital number, since it uses as much as digits as its factorization.

143104142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71552073.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 143104142 is about 11962.6143463709. The cubic root of 143104142 is about 523.0590668944.

Adding to 143104142 its reverse (241401341), we get a palindrome (384505483).

The spelling of 143104142 in words is "one hundred forty-three million, one hundred four thousand, one hundred forty-two".