243102112154 has 16 divisors (see below), whose sum is σ = 402838945920. Its totient is φ = 109102212960.

The previous prime is 243102112151. The next prime is 243102112157. The reversal of 243102112154 is 451211201342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243102112151) and next prime (243102112157).

It is not an unprimeable number, because it can be changed into a prime (243102112151) 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, 69935579 + ... + 69939054.

It is an arithmetic number, because the mean of its divisors is an integer number (25177434120).

Almost surely, 2^243102112154 is an apocalyptic number.

243102112154 is a deficient number, since it is larger than the sum of its proper divisors (159736833766).

243102112154 is a wasteful number, since it uses less digits than its factorization.

243102112154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139874725.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 243102112154 its reverse (451211201342), we get a palindrome (694313313496).

The spelling of 243102112154 in words is "two hundred forty-three billion, one hundred two million, one hundred twelve thousand, one hundred fifty-four".