243155045422 has 16 divisors (see below), whose sum is σ = 386687062512. Its totient is φ = 114277863040.

The previous prime is 243155045417. The next prime is 243155045443. The reversal of 243155045422 is 224540551342.

243155045422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243155045422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4599604 + ... + 4652167.

It is an arithmetic number, because the mean of its divisors is an integer number (24167941407).

Almost surely, 2^243155045422 is an apocalyptic number.

243155045422 is a deficient number, since it is larger than the sum of its proper divisors (143532017090).

243155045422 is a wasteful number, since it uses less digits than its factorization.

243155045422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252563.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 243155045422 its reverse (224540551342), we get a palindrome (467695596764).

The spelling of 243155045422 in words is "two hundred forty-three billion, one hundred fifty-five million, forty-five thousand, four hundred twenty-two".