243135362045 has 16 divisors (see below), whose sum is σ = 301204300800. Its totient is φ = 188214969600.

The previous prime is 243135362009. The next prime is 243135362047. The reversal of 243135362045 is 540263531342.

It is not a de Polignac number, because 243135362045 - 2³⁶ = 174415885309 is a prime.

It is a super-2 number, since 2×243135362045² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243135362047) 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, 1586981 + ... + 1733429.

It is an arithmetic number, because the mean of its divisors is an integer number (18825268800).

Almost surely, 2^243135362045 is an apocalyptic number.

It is an amenable number.

243135362045 is a deficient number, since it is larger than the sum of its proper divisors (58068938755).

243135362045 is a wasteful number, since it uses less digits than its factorization.

243135362045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157196.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 243135362045 its reverse (540263531342), we get a palindrome (783398893387).

The spelling of 243135362045 in words is "two hundred forty-three billion, one hundred thirty-five million, three hundred sixty-two thousand, forty-five".