243554155106 has 16 divisors (see below), whose sum is σ = 366106852728. Its totient is φ = 121518633600.

The previous prime is 243554155069. The next prime is 243554155109. The reversal of 243554155106 is 601551455342.

It can be written as a sum of positive squares in 4 ways, for example, as 46573524481 + 196980630625 = 215809^2 + 443825^2 .

It is not an unprimeable number, because it can be changed into a prime (243554155109) 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, 5786096 + ... + 5828036.

Almost surely, 2^243554155106 is an apocalyptic number.

243554155106 is a deficient number, since it is larger than the sum of its proper divisors (122552697622).

243554155106 is a wasteful number, since it uses less digits than its factorization.

243554155106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48037.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 243554155106 in words is "two hundred forty-three billion, five hundred fifty-four million, one hundred fifty-five thousand, one hundred six".