144445552 has 20 divisors (see below), whose sum is σ = 282583600. Its totient is φ = 71520768.

The previous prime is 144445541. The next prime is 144445577. The reversal of 144445552 is 255544441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42177 + ... + 45472.

It is an arithmetic number, because the mean of its divisors is an integer number (14129180).

Almost surely, 2^144445552 is an apocalyptic number.

It is an amenable number.

144445552 is a deficient number, since it is larger than the sum of its proper divisors (138138048).

144445552 is a wasteful number, since it uses less digits than its factorization.

144445552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87760 (or 87754 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 144445552 is about 12018.5503285546. The cubic root of 144445552 is about 524.6883132531.

Adding to 144445552 its reverse (255544441), we get a palindrome (399989993).

The spelling of 144445552 in words is "one hundred forty-four million, four hundred forty-five thousand, five hundred fifty-two".