144032535236644 has 24 divisors (see below), whose sum is σ = 259209456396408. Its totient is φ = 69977805891840.

The previous prime is 144032535236593. The next prime is 144032535236657. The reversal of 144032535236644 is 446632535230441.

It can be written as a sum of positive squares in 4 ways, for example, as 37988880174144 + 106043655062500 = 6163512^2 + 10297750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144032535236591 and 144032535236600.

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, 639304459 + ... + 639529714.

It is an arithmetic number, because the mean of its divisors is an integer number (10800394016517).

Almost surely, 2^{144032535236644} is an apocalyptic number.

It is an amenable number.

144032535236644 is a deficient number, since it is larger than the sum of its proper divisors (115176921159764).

144032535236644 is a wasteful number, since it uses less digits than its factorization.

144032535236644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278834975 (or 1278834973 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 52.

The spelling of 144032535236644 in words is "one hundred forty-four trillion, thirty-two billion, five hundred thirty-five million, two hundred thirty-six thousand, six hundred forty-four".