243245435245 has 8 divisors (see below), whose sum is σ = 292092963840. Its totient is φ = 194464053840.

The previous prime is 243245435231. The next prime is 243245435249. The reversal of 243245435245 is 542534542342.

243245435245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243245435245 - 2⁷ = 243245435117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243245435249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16528705 + ... + 16543414.

It is an arithmetic number, because the mean of its divisors is an integer number (36511620480).

Almost surely, 2^243245435245 is an apocalyptic number.

It is an amenable number.

243245435245 is a deficient number, since it is larger than the sum of its proper divisors (48847528595).

243245435245 is a wasteful number, since it uses less digits than its factorization.

243245435245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33073595.

The product of its digits is 2304000, while the sum is 43.

Adding to 243245435245 its reverse (542534542342), we get a palindrome (785779977587).

The spelling of 243245435245 in words is "two hundred forty-three billion, two hundred forty-five million, four hundred thirty-five thousand, two hundred forty-five".