144556225556 has 6 divisors (see below), whose sum is σ = 252973394730. Its totient is φ = 72278112776.

The previous prime is 144556225549. The next prime is 144556225589. The reversal of 144556225556 is 655522655441.

It can be written as a sum of positive squares in only one way, i.e., 101304704656 + 43251520900 = 318284^2 + 207970^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18069528191 + ... + 18069528198.

It is an arithmetic number, because the mean of its divisors is an integer number (42162232455).

Almost surely, 2^144556225556 is an apocalyptic number.

It is an amenable number.

144556225556 is a deficient number, since it is larger than the sum of its proper divisors (108417169174).

144556225556 is a wasteful number, since it uses less digits than its factorization.

144556225556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36139056393 (or 36139056391 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 50.

The spelling of 144556225556 in words is "one hundred forty-four billion, five hundred fifty-six million, two hundred twenty-five thousand, five hundred fifty-six".