243240514532 has 6 divisors (see below), whose sum is σ = 425670900438. Its totient is φ = 121620257264.

The previous prime is 243240514499. The next prime is 243240514549. The reversal of 243240514532 is 235415042342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 158614213696 + 84626300836 = 398264^2 + 290906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243240514492 and 243240514501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30405064313 + ... + 30405064320.

It is an arithmetic number, because the mean of its divisors is an integer number (70945150073).

Almost surely, 2^243240514532 is an apocalyptic number.

It is an amenable number.

243240514532 is a deficient number, since it is larger than the sum of its proper divisors (182430385906).

243240514532 is a wasteful number, since it uses less digits than its factorization.

243240514532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60810128637 (or 60810128635 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 243240514532 its reverse (235415042342), we get a palindrome (478655556874).

The spelling of 243240514532 in words is "two hundred forty-three billion, two hundred forty million, five hundred fourteen thousand, five hundred thirty-two".