243154545052 has 12 divisors (see below), whose sum is σ = 425570568696. Its totient is φ = 121562954000.

The previous prime is 243154545047. The next prime is 243154545077. The reversal of 243154545052 is 250545451342.

It is a junction number, because it is equal to n+sod(n) for n = 243154544996 and 243154545014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3541378 + ... + 3609385.

It is an arithmetic number, because the mean of its divisors is an integer number (35464214058).

Almost surely, 2^243154545052 is an apocalyptic number.

It is an amenable number.

243154545052 is a deficient number, since it is larger than the sum of its proper divisors (182416023644).

243154545052 is a wasteful number, since it uses less digits than its factorization.

243154545052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159268 (or 7159266 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 243154545052 its reverse (250545451342), we get a palindrome (493699996394).

The spelling of 243154545052 in words is "two hundred forty-three billion, one hundred fifty-four million, five hundred forty-five thousand, fifty-two".