1445728715746 has 16 divisors (see below), whose sum is σ = 2508252231744. Its totient is φ = 612132984144.

The previous prime is 1445728715707. The next prime is 1445728715749. The reversal of 1445728715746 is 6475178275441.

It is not an unprimeable number, because it can be changed into a prime (1445728715749) by changing a digit.

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, 622085205 + ... + 622087528.

It is an arithmetic number, because the mean of its divisors is an integer number (156765764484).

Almost surely, 2^{1445728715746} is an apocalyptic number.

1445728715746 is a deficient number, since it is larger than the sum of its proper divisors (1062523515998).

1445728715746 is a wasteful number, since it uses less digits than its factorization.

1445728715746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244172825.

The product of its digits is 52684800, while the sum is 61.

The spelling of 1445728715746 in words is "one trillion, four hundred forty-five billion, seven hundred twenty-eight million, seven hundred fifteen thousand, seven hundred forty-six".