144544284 has 48 divisors (see below), whose sum is σ = 376579840. Its totient is φ = 47945520.

The previous prime is 144544273. The next prime is 144544291. The reversal of 144544284 is 482445441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19617 + ... + 25959.

Almost surely, 2^144544284 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 144544284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188289920).

144544284 is an abundant number, since it is smaller than the sum of its proper divisors (232035556).

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

144544284 is a wasteful number, since it uses less digits than its factorization.

144544284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567 (or 6559 counting only the distinct ones).

The product of its digits is 81920, while the sum is 36.

The square root of 144544284 is about 12022.6571106391. The cubic root of 144544284 is about 524.8078317091.

The spelling of 144544284 in words is "one hundred forty-four million, five hundred forty-four thousand, two hundred eighty-four".