144420500000 has 168 divisors, whose sum is σ = 406187300736. Its totient is φ = 49514400000.

The previous prime is 144420499987. The next prime is 144420500033. The reversal of 144420500000 is 5024441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3479369 + ... + 3520631.

It is an arithmetic number, because the mean of its divisors is an integer number (2417781552).

Almost surely, 2^144420500000 is an apocalyptic number.

144420500000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144420500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203093650368).

144420500000 is an abundant number, since it is smaller than the sum of its proper divisors (261766800736).

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

144420500000 is an frugal number, since it uses more digits than its factorization.

144420500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41310 (or 41277 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 144420500000 its reverse (5024441), we get a palindrome (144425524441).

The spelling of 144420500000 in words is "one hundred forty-four billion, four hundred twenty million, five hundred thousand".