243031300545 has 96 divisors (see below), whose sum is σ = 437048640000. Its totient is φ = 115183411200.

The previous prime is 243031300537. The next prime is 243031300559. The reversal of 243031300545 is 545003130342.

243031300545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243031300545 - 2³ = 243031300537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 106544805 + ... + 106547085.

It is an arithmetic number, because the mean of its divisors is an integer number (4552590000).

Almost surely, 2^243031300545 is an apocalyptic number.

It is an amenable number.

243031300545 is a deficient number, since it is larger than the sum of its proper divisors (194017339455).

243031300545 is a wasteful number, since it uses less digits than its factorization.

243031300545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 243031300545 its reverse (545003130342), we get a palindrome (788034430887).

The spelling of 243031300545 in words is "two hundred forty-three billion, thirty-one million, three hundred thousand, five hundred forty-five".