243231452 has 24 divisors (see below), whose sum is σ = 429305856. Its totient is φ = 120577968.

The previous prime is 243231449. The next prime is 243231481. The reversal of 243231452 is 254132342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326993 + ... + 327735.

It is an arithmetic number, because the mean of its divisors is an integer number (17887744).

Almost surely, 2^243231452 is an apocalyptic number.

It is an amenable number.

243231452 is a deficient number, since it is larger than the sum of its proper divisors (186074404).

243231452 is a wasteful number, since it uses less digits than its factorization.

243231452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1335 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 243231452 is about 15595.8793275660. The cubic root of 243231452 is about 624.2232073223.

Adding to 243231452 its reverse (254132342), we get a palindrome (497363794).

The spelling of 243231452 in words is "two hundred forty-three million, two hundred thirty-one thousand, four hundred fifty-two".