243221141156 has 24 divisors (see below), whose sum is σ = 488989111296. Its totient is φ = 103691882880.

The previous prime is 243221141143. The next prime is 243221141197. The reversal of 243221141156 is 651141122342.

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, 22734101 + ... + 22744796.

It is an arithmetic number, because the mean of its divisors is an integer number (20374546304).

Almost surely, 2^243221141156 is an apocalyptic number.

It is an amenable number.

243221141156 is an abundant number, since it is smaller than the sum of its proper divisors (245767970140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243221141156 is a wasteful number, since it uses less digits than its factorization.

243221141156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45479099 (or 45479097 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

Adding to 243221141156 its reverse (651141122342), we get a palindrome (894362263498).

The spelling of 243221141156 in words is "two hundred forty-three billion, two hundred twenty-one million, one hundred forty-one thousand, one hundred fifty-six".