243250345115 has 8 divisors (see below), whose sum is σ = 301965945840. Its totient is φ = 187889921632.

The previous prime is 243250345111. The next prime is 243250345123. The reversal of 243250345115 is 511543052342.

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

It is a cyclic number.

It is not a de Polignac number, because 243250345115 - 2² = 243250345111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243250345111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838794149 + ... + 838794438.

It is an arithmetic number, because the mean of its divisors is an integer number (37745743230).

Almost surely, 2^243250345115 is an apocalyptic number.

243250345115 is a deficient number, since it is larger than the sum of its proper divisors (58715600725).

243250345115 is a wasteful number, since it uses less digits than its factorization.

243250345115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677588621.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 243250345115 its reverse (511543052342), we get a palindrome (754793397457).

The spelling of 243250345115 in words is "two hundred forty-three billion, two hundred fifty million, three hundred forty-five thousand, one hundred fifteen".