243455554342 has 32 divisors (see below), whose sum is σ = 490316085504. Its totient is φ = 87556442400.

The previous prime is 243455554301. The next prime is 243455554357.

It is a happy number.

243455554342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243455554292 and 243455554301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60801084 + ... + 60805087.

It is an arithmetic number, because the mean of its divisors is an integer number (15322377672).

Almost surely, 2^243455554342 is an apocalyptic number.

243455554342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243455554342 is an abundant number, since it is smaller than the sum of its proper divisors (246860531162).

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

243455554342 is a wasteful number, since it uses less digits than its factorization.

243455554342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121606204.

The product of its digits is 5760000, while the sum is 46.

It can be divided in two parts, 243455 and 554342, that added together give a palindrome (797797).

The spelling of 243455554342 in words is "two hundred forty-three billion, four hundred fifty-five million, five hundred fifty-four thousand, three hundred forty-two".