243455135044 has 48 divisors (see below), whose sum is σ = 478359254016. Its totient is φ = 107474320800.

The previous prime is 243455134969. The next prime is 243455135057. The reversal of 243455135044 is 440531554342.

It is a junction number, because it is equal to n+sod(n) for n = 243455134988 and 243455135006.

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, 372264 + ... + 790879.

It is an arithmetic number, because the mean of its divisors is an integer number (9965817792).

Almost surely, 2^243455135044 is an apocalyptic number.

It is an amenable number.

243455135044 is a deficient number, since it is larger than the sum of its proper divisors (234904118972).

243455135044 is a wasteful number, since it uses less digits than its factorization.

243455135044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163296 (or 1163294 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 243455135044 its reverse (440531554342), we get a palindrome (683986689386).

The spelling of 243455135044 in words is "two hundred forty-three billion, four hundred fifty-five million, one hundred thirty-five thousand, forty-four".