243155200154 has 32 divisors (see below), whose sum is σ = 381622026240. Its totient is φ = 116057401200.

The previous prime is 243155200133. The next prime is 243155200163. The reversal of 243155200154 is 451002551342.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243155200154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5320967 + ... + 5366469.

It is an arithmetic number, because the mean of its divisors is an integer number (11925688320).

Almost surely, 2^243155200154 is an apocalyptic number.

243155200154 is a deficient number, since it is larger than the sum of its proper divisors (138466826086).

243155200154 is a wasteful number, since it uses less digits than its factorization.

243155200154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46706.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 243155200154 its reverse (451002551342), we get a palindrome (694157751496).

The spelling of 243155200154 in words is "two hundred forty-three billion, one hundred fifty-five million, two hundred thousand, one hundred fifty-four".