243454404454342 has 8 divisors (see below), whose sum is σ = 369284770801800. Its totient is φ = 120359480853744.

The previous prime is 243454404454319. The next prime is 243454404454343.

243454404454342 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243454404454342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243454404454343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683860686492 + ... + 683860686847.

It is an arithmetic number, because the mean of its divisors is an integer number (46160596350225).

Almost surely, 2^{243454404454342} is an apocalyptic number.

243454404454342 is a deficient number, since it is larger than the sum of its proper divisors (125830366347458).

243454404454342 is a wasteful number, since it uses less digits than its factorization.

243454404454342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367721373430.

The product of its (nonzero) digits is 58982400, while the sum is 52.

It can be divided in two parts, 24345440 and 4454342, that added together give a palindrome (28799782).

The spelling of 243454404454342 in words is "two hundred forty-three trillion, four hundred fifty-four billion, four hundred four million, four hundred fifty-four thousand, three hundred forty-two".