243747452 has 24 divisors (see below), whose sum is σ = 469148736. Its totient is φ = 110104128.

The previous prime is 243747433. The next prime is 243747457. The reversal of 243747452 is 254747342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243747457) 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, 47423 + ... + 52310.

It is an arithmetic number, because the mean of its divisors is an integer number (19547864).

Almost surely, 2^243747452 is an apocalyptic number.

It is an amenable number.

243747452 is a deficient number, since it is larger than the sum of its proper divisors (225401284).

243747452 is a wasteful number, since it uses less digits than its factorization.

243747452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99797 (or 99795 counting only the distinct ones).

The product of its digits is 188160, while the sum is 38.

The square root of 243747452 is about 15612.4133944756. The cubic root of 243747452 is about 624.6643121074.

The spelling of 243747452 in words is "two hundred forty-three million, seven hundred forty-seven thousand, four hundred fifty-two".