144273984 has 56 divisors (see below), whose sum is σ = 386059680. Its totient is φ = 47545344.

The previous prime is 144273979. The next prime is 144274033. The reversal of 144273984 is 489372441.

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, 12867 + ... + 21309.

Almost surely, 2^144273984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144273984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193029840).

144273984 is an abundant number, since it is smaller than the sum of its proper divisors (241785696).

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

144273984 is an equidigital number, since it uses as much as digits as its factorization.

144273984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547 (or 8537 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 144273984 is about 12011.4105749491. The cubic root of 144273984 is about 524.4804947183.

The spelling of 144273984 in words is "one hundred forty-four million, two hundred seventy-three thousand, nine hundred eighty-four".