243045233345 has 8 divisors (see below), whose sum is σ = 291663230760. Its totient is φ = 194430219520.

The previous prime is 243045233303. The next prime is 243045233363. The reversal of 243045233345 is 543332540342.

It can be written as a sum of positive squares in 4 ways, for example, as 37741998529 + 205303234816 = 194273^2 + 453104^2 .

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

It is not a de Polignac number, because 243045233345 - 2⁶ = 243045233281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243045233299 and 243045233308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562586 + ... + 895875.

It is an arithmetic number, because the mean of its divisors is an integer number (36457903845).

Almost surely, 2^243045233345 is an apocalyptic number.

It is an amenable number.

243045233345 is a deficient number, since it is larger than the sum of its proper divisors (48617997415).

243045233345 is a wasteful number, since it uses less digits than its factorization.

243045233345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491795.

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 243045233345 its reverse (543332540342), we get a palindrome (786377773687).

The spelling of 243045233345 in words is "two hundred forty-three billion, forty-five million, two hundred thirty-three thousand, three hundred forty-five".