144891603008 has 56 divisors (see below), whose sum is σ = 294055190400. Its totient is φ = 70803353088.

The previous prime is 144891602993. The next prime is 144891603019. The reversal of 144891603008 is 800306198441.

It is a self number, because there is not a number n which added to its sum of digits gives 144891603008.

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, 2098703 + ... + 2166641.

Almost surely, 2^144891603008 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 144891603008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147027595200).

144891603008 is an abundant number, since it is smaller than the sum of its proper divisors (149163587392).

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

144891603008 is an equidigital number, since it uses as much as digits as its factorization.

144891603008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68707 (or 68697 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 144891603008 in words is "one hundred forty-four billion, eight hundred ninety-one million, six hundred three thousand, eight".