243321030142 has 8 divisors (see below), whose sum is σ = 365060168136. Its totient is φ = 121634307432.

The previous prime is 243321030137. The next prime is 243321030143. The reversal of 243321030142 is 241030123342.

243321030142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×243321030142⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243321030143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13092213 + ... + 13110784.

It is an arithmetic number, because the mean of its divisors is an integer number (45632521017).

Almost surely, 2^243321030142 is an apocalyptic number.

243321030142 is a deficient number, since it is larger than the sum of its proper divisors (121739137994).

243321030142 is a wasteful number, since it uses less digits than its factorization.

243321030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26207642.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243321030142 its reverse (241030123342), we get a palindrome (484351153484).

The spelling of 243321030142 in words is "two hundred forty-three billion, three hundred twenty-one million, thirty thousand, one hundred forty-two".