144723698281648 has 40 divisors (see below), whose sum is σ = 285239643494400. Its totient is φ = 71114198017344.

The previous prime is 144723698281577. The next prime is 144723698281663. The reversal of 144723698281648 is 846182896327441.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

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, 19649736 + ... + 25991527.

It is an arithmetic number, because the mean of its divisors is an integer number (7130991087360).

Almost surely, 2^{144723698281648} is an apocalyptic number.

It is an amenable number.

144723698281648 is a deficient number, since it is larger than the sum of its proper divisors (140515945212752).

144723698281648 is a wasteful number, since it uses less digits than its factorization.

144723698281648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45644689 (or 45644683 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 73.

The spelling of 144723698281648 in words is "one hundred forty-four trillion, seven hundred twenty-three billion, six hundred ninety-eight million, two hundred eighty-one thousand, six hundred forty-eight".