243432455 has 8 divisors (see below), whose sum is σ = 333850272. Its totient is φ = 166925088.

The previous prime is 243432421. The next prime is 243432463. The reversal of 243432455 is 554234342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243432455 - 2¹⁶ = 243366919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477572 + ... + 3477641.

It is an arithmetic number, because the mean of its divisors is an integer number (41731284).

Almost surely, 2^243432455 is an apocalyptic number.

243432455 is a deficient number, since it is larger than the sum of its proper divisors (90417817).

243432455 is an equidigital number, since it uses as much as digits as its factorization.

243432455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955225.

The product of its digits is 57600, while the sum is 32.

The square root of 243432455 is about 15602.3221028153. The cubic root of 243432455 is about 624.3951096945.

Adding to 243432455 its reverse (554234342), we get a palindrome (797666797).

The spelling of 243432455 in words is "two hundred forty-three million, four hundred thirty-two thousand, four hundred fifty-five".