144401044 has 12 divisors (see below), whose sum is σ = 257470164. Its totient is φ = 70838144.

The previous prime is 144401041. The next prime is 144401071. The reversal of 144401044 is 440104441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94867600 + 49533444 = 9740^2 + 7038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144401041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340357 + ... + 340780.

It is an arithmetic number, because the mean of its divisors is an integer number (21455847).

Almost surely, 2^144401044 is an apocalyptic number.

It is an amenable number.

144401044 is a deficient number, since it is larger than the sum of its proper divisors (113069120).

144401044 is a wasteful number, since it uses less digits than its factorization.

144401044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681194 (or 681192 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 144401044 is about 12016.6985482702. The cubic root of 144401044 is about 524.6344169900.

Adding to 144401044 its reverse (440104441), we get a palindrome (584505485).

The spelling of 144401044 in words is "one hundred forty-four million, four hundred one thousand, forty-four".