142022103 has 4 divisors (see below), whose sum is σ = 189362808. Its totient is φ = 94681400.

The previous prime is 142022099. The next prime is 142022113. The reversal of 142022103 is 301220241.

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 142022103 - 2² = 142022099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142022113) 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, 23670348 + ... + 23670353.

It is an arithmetic number, because the mean of its divisors is an integer number (47340702).

Almost surely, 2^142022103 is an apocalyptic number.

142022103 is a deficient number, since it is larger than the sum of its proper divisors (47340705).

142022103 is an equidigital number, since it uses as much as digits as its factorization.

142022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47340704.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142022103 is about 11917.3026730045. The cubic root of 142022103 is about 521.7374121523.

Adding to 142022103 its reverse (301220241), we get a palindrome (443242344).

The spelling of 142022103 in words is "one hundred forty-two million, twenty-two thousand, one hundred three".