243245730572 has 24 divisors (see below), whose sum is σ = 468178366656. Its totient is φ = 109878594048.

The previous prime is 243245730571. The next prime is 243245730583. The reversal of 243245730572 is 275037542342.

It is not an unprimeable number, because it can be changed into a prime (243245730571) 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, 49761413 + ... + 49766300.

It is an arithmetic number, because the mean of its divisors is an integer number (19507431944).

Almost surely, 2^243245730572 is an apocalyptic number.

It is an amenable number.

243245730572 is a deficient number, since it is larger than the sum of its proper divisors (224932636084).

243245730572 is a wasteful number, since it uses less digits than its factorization.

243245730572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99527777 (or 99527775 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 44.

The spelling of 243245730572 in words is "two hundred forty-three billion, two hundred forty-five million, seven hundred thirty thousand, five hundred seventy-two".