1445845385152 has 112 divisors (see below), whose sum is σ = 3311206626240. Its totient is φ = 613566922752.

The previous prime is 1445845385071. The next prime is 1445845385183. The reversal of 1445845385152 is 2515835485441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 1445845385093 and 1445845385102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54103698 + ... + 54130414.

Almost surely, 2^{1445845385152} 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 1445845385152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655603313120).

1445845385152 is an abundant number, since it is smaller than the sum of its proper divisors (1865361241088).

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

1445845385152 is a wasteful number, since it uses less digits than its factorization.

1445845385152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27918 (or 27908 counting only the distinct ones).

The product of its digits is 15360000, while the sum is 55.

The spelling of 1445845385152 in words is "one trillion, four hundred forty-five billion, eight hundred forty-five million, three hundred eighty-five thousand, one hundred fifty-two".