243112045135 has 16 divisors (see below), whose sum is σ = 299128660992. Its totient is φ = 189593140000.

The previous prime is 243112045109. The next prime is 243112045151. The reversal of 243112045135 is 531540211342.

It is not a de Polignac number, because 243112045135 - 2⁵ = 243112045103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243112045097 and 243112045106.

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, 2001811 + ... + 2119780.

It is an arithmetic number, because the mean of its divisors is an integer number (18695541312).

Almost surely, 2^243112045135 is an apocalyptic number.

243112045135 is a deficient number, since it is larger than the sum of its proper divisors (56016615857).

243112045135 is a wasteful number, since it uses less digits than its factorization.

243112045135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121894.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 243112045135 its reverse (531540211342), we get a palindrome (774652256477).

The spelling of 243112045135 in words is "two hundred forty-three billion, one hundred twelve million, forty-five thousand, one hundred thirty-five".