144081984 has 56 divisors (see below), whose sum is σ = 388437120. Its totient is φ = 47117824.

The previous prime is 144081967. The next prime is 144081989. The reversal of 144081984 is 489180441.

It is a super-2 number, since 2×144081984² = 41519236226752512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144081989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097 + ... + 17255.

Almost surely, 2^144081984 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 144081984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194218560).

144081984 is an abundant number, since it is smaller than the sum of its proper divisors (244355136).

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

144081984 is a wasteful number, since it uses less digits than its factorization.

144081984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14227 (or 14217 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 144081984 is about 12003.4155139277. The cubic root of 144081984 is about 524.2477316658.

The spelling of 144081984 in words is "one hundred forty-four million, eighty-one thousand, nine hundred eighty-four".