144444025 has 48 divisors (see below), whose sum is σ = 209236608. Its totient is φ = 97856000.

The previous prime is 144444017. The next prime is 144444067. The reversal of 144444025 is 520444441.

It is not a de Polignac number, because 144444025 - 2³ = 144444017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144443984 and 144444002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259047 + ... + 259603.

It is an arithmetic number, because the mean of its divisors is an integer number (4359096).

Almost surely, 2^144444025 is an apocalyptic number.

It is an amenable number.

144444025 is a deficient number, since it is larger than the sum of its proper divisors (64792583).

144444025 is a wasteful number, since it uses less digits than its factorization.

144444025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 144444025 is about 12018.4868015903. The cubic root of 144444025 is about 524.6864643399.

Adding to 144444025 its reverse (520444441), we get a palindrome (664888466).

The spelling of 144444025 in words is "one hundred forty-four million, four hundred forty-four thousand, twenty-five".