243115412146 has 8 divisors (see below), whose sum is σ = 377248053420. Its totient is φ = 117366061008.

The previous prime is 243115412131. The next prime is 243115412167. The reversal of 243115412146 is 641214511342.

It is a happy number.

243115412146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 241734472225 + 1380939921 = 491665^2 + 37161^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095822461 + ... + 2095822576.

Almost surely, 2^243115412146 is an apocalyptic number.

243115412146 is a deficient number, since it is larger than the sum of its proper divisors (134132641274).

243115412146 is a wasteful number, since it uses less digits than its factorization.

243115412146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191645068.

The product of its digits is 23040, while the sum is 34.

Adding to 243115412146 its reverse (641214511342), we get a palindrome (884329923488).

The spelling of 243115412146 in words is "two hundred forty-three billion, one hundred fifteen million, four hundred twelve thousand, one hundred forty-six".