243311452 has 12 divisors (see below), whose sum is σ = 428904000. Its totient is φ = 120767456.

The previous prime is 243311443. The next prime is 243311459. The reversal of 243311452 is 254113342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243311459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221452 + ... + 222547.

It is an arithmetic number, because the mean of its divisors is an integer number (35742000).

Almost surely, 2^243311452 is an apocalyptic number.

It is an amenable number.

243311452 is a deficient number, since it is larger than the sum of its proper divisors (185592548).

243311452 is a wasteful number, since it uses less digits than its factorization.

243311452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444140 (or 444138 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 243311452 is about 15598.4438967482. The cubic root of 243311452 is about 624.2916364971.

Adding to 243311452 its reverse (254113342), we get a palindrome (497424794).

The spelling of 243311452 in words is "two hundred forty-three million, three hundred eleven thousand, four hundred fifty-two".