144171116540 has 96 divisors (see below), whose sum is σ = 332054553600. Its totient is φ = 52145337600.

The previous prime is 144171116539. The next prime is 144171116567. The reversal of 144171116540 is 45611171441.

It is a self number, because there is not a number n which added to its sum of digits gives 144171116540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43699811 + ... + 43703109.

It is an arithmetic number, because the mean of its divisors is an integer number (3458901600).

Almost surely, 2^144171116540 is an apocalyptic number.

144171116540 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 144171116540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166027276800).

144171116540 is an abundant number, since it is smaller than the sum of its proper divisors (187883437060).

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

144171116540 is a wasteful number, since it uses less digits than its factorization.

144171116540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323 (or 4321 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

Adding to 144171116540 its reverse (45611171441), we get a palindrome (189782287981).

The spelling of 144171116540 in words is "one hundred forty-four billion, one hundred seventy-one million, one hundred sixteen thousand, five hundred forty".