1445363720000 has 70 divisors (see below), whose sum is σ = 3584032381578. Its totient is φ = 578145472000.

The previous prime is 1445363719997. The next prime is 1445363720023. The reversal of 1445363720000 is 273635441.

It can be written as a sum of positive squares in 5 ways, for example, as 545719057984 + 899644662016 = 738728^2 + 948496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18027047 + ... + 18107046.

Almost surely, 2^{1445363720000} is an apocalyptic number.

1445363720000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445363720000 is an abundant number, since it is smaller than the sum of its proper divisors (2138668661578).

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

1445363720000 is an frugal number, since it uses more digits than its factorization.

1445363720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36134125 (or 36134100 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 1445363720000 in words is "one trillion, four hundred forty-five billion, three hundred sixty-three million, seven hundred twenty thousand".