144081671860 has 96 divisors (see below), whose sum is σ = 347303319552. Its totient is φ = 49184530560.

The previous prime is 144081671813. The next prime is 144081671863. The reversal of 144081671860 is 68176180441.

It is a self number, because there is not a number n which added to its sum of digits gives 144081671860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144081671863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45550639 + ... + 45553801.

It is an arithmetic number, because the mean of its divisors is an integer number (3617742912).

Almost surely, 2^144081671860 is an apocalyptic number.

144081671860 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 144081671860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173651659776).

144081671860 is an abundant number, since it is smaller than the sum of its proper divisors (203221647692).

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

144081671860 is a wasteful number, since it uses less digits than its factorization.

144081671860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 144081671860 in words is "one hundred forty-four billion, eighty-one million, six hundred seventy-one thousand, eight hundred sixty".