144445728616 has 32 divisors (see below), whose sum is σ = 311498087040. Its totient is φ = 61511007168.

The previous prime is 144445728593. The next prime is 144445728677. The reversal of 144445728616 is 616827544441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8205820 + ... + 8223403.

It is an arithmetic number, because the mean of its divisors is an integer number (9734315220).

Almost surely, 2^144445728616 is an apocalyptic number.

It is an amenable number.

144445728616 is an abundant number, since it is smaller than the sum of its proper divisors (167052358424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144445728616 is a wasteful number, since it uses less digits than its factorization.

144445728616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429393 (or 16429389 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The spelling of 144445728616 in words is "one hundred forty-four billion, four hundred forty-five million, seven hundred twenty-eight thousand, six hundred sixteen".