243005443353252 has 30 divisors (see below), whose sum is σ = 635264230001478. Its totient is φ = 81001814450976.

The previous prime is 243005443353241. The next prime is 243005443353271. The reversal of 243005443353252 is 252353344500342.

243005443353252 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 0 + 5 + 4 + 43 + 353 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 242311127791716 + 694315561536 = 15566346^2 + 833256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243005443353198 and 243005443353207.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 375008399913 + ... + 375008400560.

Almost surely, 2^{243005443353252} is an apocalyptic number.

It is an amenable number.

243005443353252 is an abundant number, since it is smaller than the sum of its proper divisors (392258786648226).

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

243005443353252 is a wasteful number, since it uses less digits than its factorization.

243005443353252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750016800489 (or 750016800478 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 45.

Adding to 243005443353252 its reverse (252353344500342), we get a palindrome (495358787853594).

The spelling of 243005443353252 in words is "two hundred forty-three trillion, five billion, four hundred forty-three million, three hundred fifty-three thousand, two hundred fifty-two".