144473849856 has 420 divisors, whose sum is σ = 495330288992. Its totient is φ = 41278242816.

The previous prime is 144473849843. The next prime is 144473849873. The reversal of 144473849856 is 658948374441.

144473849856 is a `hidden beast` number, since 1 + 4 + 4 + 473 + 84 + 9 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (92897280) is a multiple of the sum of its prime divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 144473849793 and 144473849802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20639121405 + ... + 20639121411.

Almost surely, 2^144473849856 is an apocalyptic number.

144473849856 is a gapful number since it is divisible by the number (16) 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 144473849856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247665144496).

144473849856 is an abundant number, since it is smaller than the sum of its proper divisors (350856439136).

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

144473849856 is an frugal number, since it uses more digits than its factorization.

144473849856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 12 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 144473849856 in words is "one hundred forty-four billion, four hundred seventy-three million, eight hundred forty-nine thousand, eight hundred fifty-six".