142244103 has 24 divisors (see below), whose sum is σ = 197332848. Its totient is φ = 91107328.

The previous prime is 142244071. The next prime is 142244107. The reversal of 142244103 is 301442241.

142244103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142244103 - 2⁵ = 142244071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142244103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553351 + ... + 553607.

It is an arithmetic number, because the mean of its divisors is an integer number (8222202).

Almost surely, 2^142244103 is an apocalyptic number.

142244103 is a deficient number, since it is larger than the sum of its proper divisors (55088745).

142244103 is an equidigital number, since it uses as much as digits as its factorization.

142244103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142244103 is about 11926.6132242142. The cubic root of 142244103 is about 522.0091196422.

Adding to 142244103 its reverse (301442241), we get a palindrome (443686344).

The spelling of 142244103 in words is "one hundred forty-two million, two hundred forty-four thousand, one hundred three".