144504441 has 9 divisors (see below), whose sum is σ = 208780741. Its totient is φ = 96312252.

The previous prime is 144504439. The next prime is 144504473. The reversal of 144504441 is 144405441.

The square root of 144504441 is 12021.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 144504441 - 2¹ = 144504439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144504401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34060 + ... + 38066.

Almost surely, 2^144504441 is an apocalyptic number.

144504441 is the 12021-st square number.

144504441 is the 6011-st centered octagonal number.

It is an amenable number.

144504441 is a deficient number, since it is larger than the sum of its proper divisors (64276300).

144504441 is an frugal number, since it uses more digits than its factorization.

144504441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020 (or 4010 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The cubic root of 144504441 is about 524.7596069497.

Adding to 144504441 its reverse (144405441), we get a palindrome (288909882).

The spelling of 144504441 in words is "one hundred forty-four million, five hundred four thousand, four hundred forty-one".