144331044 has 96 divisors (see below), whose sum is σ = 398428800. Its totient is φ = 40089600.

The previous prime is 144331027. The next prime is 144331073. The reversal of 144331044 is 440133441.

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, 413382 + ... + 413730.

It is an arithmetic number, because the mean of its divisors is an integer number (4150300).

Almost surely, 2^144331044 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 144331044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199214400).

144331044 is an abundant number, since it is smaller than the sum of its proper divisors (254097756).

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

144331044 is a wasteful number, since it uses less digits than its factorization.

144331044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144331044 is about 12013.7855815725. The cubic root of 144331044 is about 524.5496291797.

Adding to 144331044 its reverse (440133441), we get a palindrome (584464485).

The spelling of 144331044 in words is "one hundred forty-four million, three hundred thirty-one thousand, forty-four".