142135303 has 4 divisors (see below), whose sum is σ = 142857000. Its totient is φ = 141413608.

The previous prime is 142135291. The next prime is 142135313. The reversal of 142135303 is 303531241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142135303 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 (142135313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360553 + ... + 360946.

It is an arithmetic number, because the mean of its divisors is an integer number (35714250).

Almost surely, 2^142135303 is an apocalyptic number.

142135303 is a deficient number, since it is larger than the sum of its proper divisors (721697).

142135303 is an equidigital number, since it uses as much as digits as its factorization.

142135303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721696.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 142135303 is about 11922.0511238629. The cubic root of 142135303 is about 521.8759938451.

Adding to 142135303 its reverse (303531241), we get a palindrome (445666544).

The spelling of 142135303 in words is "one hundred forty-two million, one hundred thirty-five thousand, three hundred three".