142044103 has 4 divisors (see below), whose sum is σ = 142453800. Its totient is φ = 141634408.

The previous prime is 142044101. The next prime is 142044109. The reversal of 142044103 is 301440241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142044103 - 2¹ = 142044101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142044101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204328 + ... + 205021.

It is an arithmetic number, because the mean of its divisors is an integer number (35613450).

Almost surely, 2^142044103 is an apocalyptic number.

142044103 is a deficient number, since it is larger than the sum of its proper divisors (409697).

142044103 is an equidigital number, since it uses as much as digits as its factorization.

142044103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409696.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142044103 is about 11918.2256649218. The cubic root of 142044103 is about 521.7643507536.

Adding to 142044103 its reverse (301440241), we get a palindrome (443484344).

The spelling of 142044103 in words is "one hundred forty-two million, forty-four thousand, one hundred three".