243330141 has 4 divisors (see below), whose sum is σ = 324440192. Its totient is φ = 162220092.

The previous prime is 243330119. The next prime is 243330181. The reversal of 243330141 is 141033342.

243330141 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 243330141 - 2⁷ = 243330013 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 (243330181) 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, 40555021 + ... + 40555026.

It is an arithmetic number, because the mean of its divisors is an integer number (81110048).

Almost surely, 2^243330141 is an apocalyptic number.

It is an amenable number.

243330141 is a deficient number, since it is larger than the sum of its proper divisors (81110051).

243330141 is an equidigital number, since it uses as much as digits as its factorization.

243330141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81110050.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 243330141 is about 15599.0429514121. The cubic root of 243330141 is about 624.3076202463.

Adding to 243330141 its reverse (141033342), we get a palindrome (384363483).

It can be divided in two parts, 2433301 and 41, that added together give a palindrome (2433342).

The spelling of 243330141 in words is "two hundred forty-three million, three hundred thirty thousand, one hundred forty-one".