142233313 has 4 divisors (see below), whose sum is σ = 147137940. Its totient is φ = 137328688.

The previous prime is 142233277. The next prime is 142233317. The reversal of 142233313 is 313332241.

142233313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 85803169 = 7512^2 + 9263^2 .

It is not a de Polignac number, because 142233313 - 2¹⁷ = 142102241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142233317) 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, 2452270 + ... + 2452327.

It is an arithmetic number, because the mean of its divisors is an integer number (36784485).

Almost surely, 2^142233313 is an apocalyptic number.

It is an amenable number.

142233313 is a deficient number, since it is larger than the sum of its proper divisors (4904627).

142233313 is an equidigital number, since it uses as much as digits as its factorization.

142233313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904626.

The product of its digits is 1296, while the sum is 22.

The square root of 142233313 is about 11926.1608659283. The cubic root of 142233313 is about 521.9959202179.

Adding to 142233313 its reverse (313332241), we get a palindrome (455565554).

The spelling of 142233313 in words is "one hundred forty-two million, two hundred thirty-three thousand, three hundred thirteen".