243144020032 has 28 divisors (see below), whose sum is σ = 494256942396. Its totient is φ = 118606837760.

The previous prime is 243144020023. The next prime is 243144020057. The reversal of 243144020032 is 230020441342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24628908096 + 218515111936 = 156936^2 + 467456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243144019979 and 243144020006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46328173 + ... + 46333420.

It is an arithmetic number, because the mean of its divisors is an integer number (17652033657).

Almost surely, 2^243144020032 is an apocalyptic number.

It is an amenable number.

243144020032 is an abundant number, since it is smaller than the sum of its proper divisors (251112922364).

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

243144020032 is an equidigital number, since it uses as much as digits as its factorization.

243144020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92661646 (or 92661636 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 243144020032 its reverse (230020441342), we get a palindrome (473164461374).

The spelling of 243144020032 in words is "two hundred forty-three billion, one hundred forty-four million, twenty thousand, thirty-two".