243461316155 has 16 divisors (see below), whose sum is σ = 292502327040. Its totient is φ = 194536691712.

The previous prime is 243461316103. The next prime is 243461316157. The reversal of 243461316155 is 551613164342.

It is a cyclic number.

It is not a de Polignac number, because 243461316155 - 2⁸ = 243461315899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243461316157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18780566 + ... + 18793524.

It is an arithmetic number, because the mean of its divisors is an integer number (18281395440).

Almost surely, 2^243461316155 is an apocalyptic number.

243461316155 is a deficient number, since it is larger than the sum of its proper divisors (49041010885).

243461316155 is a wasteful number, since it uses less digits than its factorization.

243461316155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17158.

The product of its digits is 259200, while the sum is 41.

The spelling of 243461316155 in words is "two hundred forty-three billion, four hundred sixty-one million, three hundred sixteen thousand, one hundred fifty-five".