1445456513552 has 80 divisors (see below), whose sum is σ = 2980552149120. Its totient is φ = 677140300800.

The previous prime is 1445456513483. The next prime is 1445456513561. The reversal of 1445456513552 is 2553156545441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445456513552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23798102 + ... + 23858762.

It is an arithmetic number, because the mean of its divisors is an integer number (37256901864).

Almost surely, 2^{1445456513552} 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 1445456513552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490276074560).

1445456513552 is an abundant number, since it is smaller than the sum of its proper divisors (1535095635568).

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

1445456513552 is a wasteful number, since it uses less digits than its factorization.

1445456513552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61552 (or 61546 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 50.

The spelling of 1445456513552 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, five hundred thirteen thousand, five hundred fifty-two".