144448221478140 has 96 divisors (see below), whose sum is σ = 452410537320000. Its totient is φ = 38261005399296.

The previous prime is 144448221478063. The next prime is 144448221478157. The reversal of 144448221478140 is 41874122844441.

144448221478140 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 4 + 8 + 2 + 21 + 478 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 897559495 + ... + 897720414.

It is an arithmetic number, because the mean of its divisors is an integer number (4712609763750).

Almost surely, 2^{144448221478140} is an apocalyptic number.

144448221478140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144448221478140 is an abundant number, since it is smaller than the sum of its proper divisors (307962315841860).

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

144448221478140 is a wasteful number, since it uses less digits than its factorization.

144448221478140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795280076 (or 1795280068 counting only the distinct ones).

The product of its (nonzero) digits is 7340032, while the sum is 54.

The spelling of 144448221478140 in words is "one hundred forty-four trillion, four hundred forty-eight billion, two hundred twenty-one million, four hundred seventy-eight thousand, one hundred forty".