1445330304 has 640 divisors, whose sum is σ = 5331744000. Its totient is φ = 383201280.

The previous prime is 1445330303. The next prime is 1445330311. The reversal of 1445330304 is 4030335441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445330303) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49838962 + ... + 49838990.

It is an arithmetic number, because the mean of its divisors is an integer number (8330850).

Almost surely, 2^1445330304 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 1445330304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665872000).

1445330304 is an abundant number, since it is smaller than the sum of its proper divisors (3886413696).

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

1445330304 is a wasteful number, since it uses less digits than its factorization.

1445330304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1445330304 is about 38017.4999704084. The cubic root of 1445330304 is about 1130.6348545794.

Adding to 1445330304 its reverse (4030335441), we get a palindrome (5475665745).

The spelling of 1445330304 in words is "one billion, four hundred forty-five million, three hundred thirty thousand, three hundred four".