1445232771072 has 432 divisors, whose sum is σ = 4654590136560. Its totient is φ = 429429620736.

The previous prime is 1445232771071. The next prime is 1445232771139. The reversal of 1445232771072 is 2701772325441.

1445232771072 is a `hidden beast` number, since 1 + 44 + 523 + 2 + 7 + 7 + 10 + 72 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445232771071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381024408 + ... + 381028200.

It is an arithmetic number, because the mean of its divisors is an integer number (10774514205).

Almost surely, 2^{1445232771072} is an apocalyptic number.

1445232771072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445232771072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327295068280).

1445232771072 is an abundant number, since it is smaller than the sum of its proper divisors (3209357365488).

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

1445232771072 is an equidigital number, since it uses as much as digits as its factorization.

1445232771072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 1445232771072 in words is "one trillion, four hundred forty-five billion, two hundred thirty-two million, seven hundred seventy-one thousand, seventy-two".