243454254 has 8 divisors (see below), whose sum is σ = 486908520. Its totient is φ = 81151416.

The previous prime is 243454247. The next prime is 243454273. The reversal of 243454254 is 452454342.

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

243454254 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 20287849 + ... + 20287860.

It is an arithmetic number, because the mean of its divisors is an integer number (60863565).

Almost surely, 2^243454254 is an apocalyptic number.

243454254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243454254 is a wasteful number, since it uses less digits than its factorization.

243454254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40575714.

The product of its digits is 76800, while the sum is 33.

The square root of 243454254 is about 15603.0206690884. The cubic root of 243454254 is about 624.4137470105.

The spelling of 243454254 in words is "two hundred forty-three million, four hundred fifty-four thousand, two hundred fifty-four".