144553320442544 has 120 divisors (see below), whose sum is σ = 319389575504400. Its totient is φ = 63174905164800.

The previous prime is 144553320442493. The next prime is 144553320442627. The reversal of 144553320442544 is 445244023355441.

It is a junction number, because it is equal to n+sod(n) for n = 144553320442492 and 144553320442501.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105616994 + ... + 106976894.

It is an arithmetic number, because the mean of its divisors is an integer number (2661579795870).

Almost surely, 2^{144553320442544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144553320442544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159694787752200).

144553320442544 is an abundant number, since it is smaller than the sum of its proper divisors (174836255061856).

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

144553320442544 is a wasteful number, since it uses less digits than its factorization.

144553320442544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362023 (or 1362004 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 50.

Adding to 144553320442544 its reverse (445244023355441), we get a palindrome (589797343797985).

The spelling of 144553320442544 in words is "one hundred forty-four trillion, five hundred fifty-three billion, three hundred twenty million, four hundred forty-two thousand, five hundred forty-four".