144565556 has 12 divisors (see below), whose sum is σ = 257763492. Its totient is φ = 70918848.

The previous prime is 144565541. The next prime is 144565583. The reversal of 144565556 is 655565441.

144565556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 81902500 + 62663056 = 9050^2 + 7916^2 .

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, 340745 + ... + 341168.

It is an arithmetic number, because the mean of its divisors is an integer number (21480291).

Almost surely, 2^144565556 is an apocalyptic number.

It is an amenable number.

144565556 is a deficient number, since it is larger than the sum of its proper divisors (113197936).

144565556 is a wasteful number, since it uses less digits than its factorization.

144565556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681970 (or 681968 counting only the distinct ones).

The product of its digits is 360000, while the sum is 41.

The square root of 144565556 is about 12023.5417411011. The cubic root of 144565556 is about 524.8335750645.

The spelling of 144565556 in words is "one hundred forty-four million, five hundred sixty-five thousand, five hundred fifty-six".