144331331144 has 64 divisors (see below), whose sum is σ = 363351623040. Its totient is φ = 51907368960.

The previous prime is 144331331071. The next prime is 144331331159. The reversal of 144331331144 is 441133133441.

It is a self number, because there is not a number n which added to its sum of digits gives 144331331144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9003689 + ... + 9019704.

It is an arithmetic number, because the mean of its divisors is an integer number (5677369110).

Almost surely, 2^144331331144 is an apocalyptic number.

144331331144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144331331144 is an abundant number, since it is smaller than the sum of its proper divisors (219020291896).

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

144331331144 is a wasteful number, since it uses less digits than its factorization.

144331331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18023430 (or 18023426 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

Adding to 144331331144 its reverse (441133133441), we get a palindrome (585464464585).

The spelling of 144331331144 in words is "one hundred forty-four billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred forty-four".