142232303 has 4 divisors (see below), whose sum is σ = 144643080. Its totient is φ = 139821528.

The previous prime is 142232221. The next prime is 142232317. The reversal of 142232303 is 303232241.

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 142232303 - 2¹⁴ = 142215919 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 (142232323) 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, 1205300 + ... + 1205417.

It is an arithmetic number, because the mean of its divisors is an integer number (36160770).

Almost surely, 2^142232303 is an apocalyptic number.

142232303 is a deficient number, since it is larger than the sum of its proper divisors (2410777).

142232303 is an equidigital number, since it uses as much as digits as its factorization.

142232303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410776.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 142232303 is about 11926.1185219668. The cubic root of 142232303 is about 521.9946846491.

Adding to 142232303 its reverse (303232241), we get a palindrome (445464544).

The spelling of 142232303 in words is "one hundred forty-two million, two hundred thirty-two thousand, three hundred three".