243455343454 has 8 divisors (see below), whose sum is σ = 365576110560. Its totient is φ = 121596639936.

The previous prime is 243455343421. The next prime is 243455343473. The reversal of 243455343454 is 454343554342.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65513574 + ... + 65517289.

It is an arithmetic number, because the mean of its divisors is an integer number (45697013820).

Almost surely, 2^243455343454 is an apocalyptic number.

243455343454 is a deficient number, since it is larger than the sum of its proper divisors (122120767106).

243455343454 is a wasteful number, since it uses less digits than its factorization.

243455343454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131031794.

The product of its digits is 6912000, while the sum is 46.

Adding to 243455343454 its reverse (454343554342), we get a palindrome (697798897796).

The spelling of 243455343454 in words is "two hundred forty-three billion, four hundred fifty-five million, three hundred forty-three thousand, four hundred fifty-four".