144081671840 has 48 divisors (see below), whose sum is σ = 340417092960. Its totient is φ = 57628581120.

The previous prime is 144081671813. The next prime is 144081671863. The reversal of 144081671840 is 48176180441.

It is a junction number, because it is equal to n+sod(n) for n = 144081671791 and 144081671800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340331 + ... + 3383189.

It is an arithmetic number, because the mean of its divisors is an integer number (7092022770).

Almost surely, 2^144081671840 is an apocalyptic number.

144081671840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144081671840 is an abundant number, since it is smaller than the sum of its proper divisors (196335421120).

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

144081671840 is a wasteful number, since it uses less digits than its factorization.

144081671840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63885 (or 63877 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 144081671840 in words is "one hundred forty-four billion, eighty-one million, six hundred seventy-one thousand, eight hundred forty".