243201145443 has 8 divisors (see below), whose sum is σ = 326079748800. Its totient is φ = 161228319528.

The previous prime is 243201145417. The next prime is 243201145459. The reversal of 243201145443 is 344541102342.

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

It is not a de Polignac number, because 243201145443 - 2¹⁶ = 243201079907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243201140443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226443733 + ... + 226444806.

It is an arithmetic number, because the mean of its divisors is an integer number (40759968600).

Almost surely, 2^243201145443 is an apocalyptic number.

243201145443 is a deficient number, since it is larger than the sum of its proper divisors (82878603357).

243201145443 is a wasteful number, since it uses less digits than its factorization.

243201145443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452888721.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 243201145443 its reverse (344541102342), we get a palindrome (587742247785).

The spelling of 243201145443 in words is "two hundred forty-three billion, two hundred one million, one hundred forty-five thousand, four hundred forty-three".