243115412145 has 8 divisors (see below), whose sum is σ = 388984659456. Its totient is φ = 129661553136.

The previous prime is 243115412131. The next prime is 243115412167. The reversal of 243115412145 is 541214511342.

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

It is not a de Polignac number, because 243115412145 - 2⁹ = 243115411633 is a prime.

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, 8103847057 + ... + 8103847086.

It is an arithmetic number, because the mean of its divisors is an integer number (48623082432).

Almost surely, 2^243115412145 is an apocalyptic number.

It is an amenable number.

243115412145 is a deficient number, since it is larger than the sum of its proper divisors (145869247311).

243115412145 is a wasteful number, since it uses less digits than its factorization.

243115412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16207694151.

The product of its digits is 19200, while the sum is 33.

Adding to 243115412145 its reverse (541214511342), we get a palindrome (784329923487).

The spelling of 243115412145 in words is "two hundred forty-three billion, one hundred fifteen million, four hundred twelve thousand, one hundred forty-five".