243155225434352 has 40 divisors (see below), whose sum is σ = 587361973130112. Its totient is φ = 94735802116800.

The previous prime is 243155225434343. The next prime is 243155225434367. The reversal of 243155225434352 is 253434522551342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243155225434352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98683125974 + ... + 98683128437.

Almost surely, 2^{243155225434352} is an apocalyptic number.

243155225434352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243155225434352 is an abundant number, since it is smaller than the sum of its proper divisors (344206747695760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243155225434352 is a wasteful number, since it uses less digits than its factorization.

243155225434352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197366254437 (or 197366254431 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 50.

Adding to 243155225434352 its reverse (253434522551342), we get a palindrome (496589747985694).

The spelling of 243155225434352 in words is "two hundred forty-three trillion, one hundred fifty-five billion, two hundred twenty-five million, four hundred thirty-four thousand, three hundred fifty-two".