142443103 has 4 divisors (see below), whose sum is σ = 155392488. Its totient is φ = 129493720.

The previous prime is 142443101. The next prime is 142443121. The reversal of 142443103 is 301344241.

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 142443103 - 2¹ = 142443101 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 (142443101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6474676 + ... + 6474697.

It is an arithmetic number, because the mean of its divisors is an integer number (38848122).

Almost surely, 2^142443103 is an apocalyptic number.

142443103 is a deficient number, since it is larger than the sum of its proper divisors (12949385).

142443103 is a wasteful number, since it uses less digits than its factorization.

142443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12949384.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142443103 is about 11934.9529952991. The cubic root of 142443103 is about 522.2524370744.

Adding to 142443103 its reverse (301344241), we get a palindrome (443787344).

The spelling of 142443103 in words is "one hundred forty-two million, four hundred forty-three thousand, one hundred three".