144442403020 has 12 divisors (see below), whose sum is σ = 303329046384. Its totient is φ = 57776961200.

The previous prime is 144442402967. The next prime is 144442403029. The reversal of 144442403020 is 20304244441.

It is a self number, because there is not a number n which added to its sum of digits gives 144442403020.

It is not an unprimeable number, because it can be changed into a prime (144442403029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3611060056 + ... + 3611060095.

It is an arithmetic number, because the mean of its divisors is an integer number (25277420532).

Almost surely, 2^144442403020 is an apocalyptic number.

144442403020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144442403020 is an abundant number, since it is smaller than the sum of its proper divisors (158886643364).

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

144442403020 is a wasteful number, since it uses less digits than its factorization.

144442403020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222120160 (or 7222120158 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 144442403020 its reverse (20304244441), we get a palindrome (164746647461).

The spelling of 144442403020 in words is "one hundred forty-four billion, four hundred forty-two million, four hundred three thousand, twenty".