243745389152 has 24 divisors (see below), whose sum is σ = 481416756912. Its totient is φ = 121480816000.

The previous prime is 243745389133. The next prime is 243745389157. The reversal of 243745389152 is 251983547342.

It is a junction number, because it is equal to n+sod(n) for n = 243745389094 and 243745389103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243745389157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12236099 + ... + 12256002.

It is an arithmetic number, because the mean of its divisors is an integer number (20059031538).

Almost surely, 2^243745389152 is an apocalyptic number.

It is an amenable number.

243745389152 is a deficient number, since it is larger than the sum of its proper divisors (237671367760).

243745389152 is a wasteful number, since it uses less digits than its factorization.

243745389152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492422 (or 24492414 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 53.

The spelling of 243745389152 in words is "two hundred forty-three billion, seven hundred forty-five million, three hundred eighty-nine thousand, one hundred fifty-two".