1445053334544 has 100 divisors (see below), whose sum is σ = 4183800282640. Its totient is φ = 481523590080.

The previous prime is 1445053334513. The next prime is 1445053334567. The reversal of 1445053334544 is 4454333505441.

1445053334544 is a `hidden beast` number, since 1 + 4 + 4 + 50 + 53 + 3 + 3 + 4 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1445053334544.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3727959 + ... + 4097289.

Almost surely, 2^{1445053334544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445053334544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091900141320).

1445053334544 is an abundant number, since it is smaller than the sum of its proper divisors (2738746948096).

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

1445053334544 is a wasteful number, since it uses less digits than its factorization.

1445053334544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372370 (or 372355 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 1445053334544 its reverse (4454333505441), we get a palindrome (5899386839985).

The spelling of 1445053334544 in words is "one trillion, four hundred forty-five billion, fifty-three million, three hundred thirty-four thousand, five hundred forty-four".