144656644 has 48 divisors (see below), whose sum is σ = 285759936. Its totient is φ = 63504000.

The previous prime is 144656627. The next prime is 144656653. The reversal of 144656644 is 446656441.

It is a junction number, because it is equal to n+sod(n) for n = 144656597 and 144656606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190714 + ... + 191470.

It is an arithmetic number, because the mean of its divisors is an integer number (5953332).

Almost surely, 2^144656644 is an apocalyptic number.

It is an amenable number.

144656644 is a deficient number, since it is larger than the sum of its proper divisors (141103292).

144656644 is a wasteful number, since it uses less digits than its factorization.

144656644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 914 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 144656644 is about 12027.3290468000. The cubic root of 144656644 is about 524.9437811305.

The spelling of 144656644 in words is "one hundred forty-four million, six hundred fifty-six thousand, six hundred forty-four".