243021324145 has 8 divisors (see below), whose sum is σ = 291628235520. Its totient is φ = 194415294960.

The previous prime is 243021324127. The next prime is 243021324151. The reversal of 243021324145 is 541423120342.

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

It is not a de Polignac number, because 243021324145 - 2²⁷ = 242887106417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959530 + ... + 1186060.

It is an arithmetic number, because the mean of its divisors is an integer number (36453529440).

Almost surely, 2^243021324145 is an apocalyptic number.

It is an amenable number.

243021324145 is a deficient number, since it is larger than the sum of its proper divisors (48606911375).

243021324145 is a wasteful number, since it uses less digits than its factorization.

243021324145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441095.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243021324145 its reverse (541423120342), we get a palindrome (784444444487).

The spelling of 243021324145 in words is "two hundred forty-three billion, twenty-one million, three hundred twenty-four thousand, one hundred forty-five".