144488643472 has 10 divisors (see below), whose sum is σ = 279946746758. Its totient is φ = 72244321728.

The previous prime is 144488643463. The next prime is 144488643487. The reversal of 144488643472 is 274346884441.

It can be written as a sum of positive squares in only one way, i.e., 132042117376 + 12446526096 = 363376^2 + 111564^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4515270093 + ... + 4515270124.

Almost surely, 2^144488643472 is an apocalyptic number.

It is an amenable number.

144488643472 is a deficient number, since it is larger than the sum of its proper divisors (135458103286).

144488643472 is an equidigital number, since it uses as much as digits as its factorization.

144488643472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030540225 (or 9030540219 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 55.

The spelling of 144488643472 in words is "one hundred forty-four billion, four hundred eighty-eight million, six hundred forty-three thousand, four hundred seventy-two".