243547745342 has 32 divisors (see below), whose sum is σ = 411457536000. Its totient is φ = 107114479200.

The previous prime is 243547745327. The next prime is 243547745347.

243547745342 is nontrivially palindromic in base 10.

243547745342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×243547745342³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243547745347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4555784 + ... + 4608932.

It is an arithmetic number, because the mean of its divisors is an integer number (12858048000).

Almost surely, 2^243547745342 is an apocalyptic number.

243547745342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243547745342 is a deficient number, since it is larger than the sum of its proper divisors (167909790658).

243547745342 is a wasteful number, since it uses less digits than its factorization.

243547745342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59912.

The product of its digits is 11289600, while the sum is 50.

It can be divided in two parts, 243547 and 745342, that added together give a palindrome (988889).

The spelling of 243547745342 in words is "two hundred forty-three billion, five hundred forty-seven million, seven hundred forty-five thousand, three hundred forty-two".