1445328344 has 16 divisors (see below), whose sum is σ = 2713729200. Its totient is φ = 721667232.

The previous prime is 1445328343. The next prime is 1445328383. The reversal of 1445328344 is 4438235441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1445328298 and 1445328307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445328343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118439 + ... + 130070.

It is an arithmetic number, because the mean of its divisors is an integer number (169608075).

Almost surely, 2^1445328344 is an apocalyptic number.

It is an amenable number.

1445328344 is a deficient number, since it is larger than the sum of its proper divisors (1268400856).

1445328344 is a wasteful number, since it uses less digits than its factorization.

1445328344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249242 (or 249238 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 1445328344 is about 38017.4741927972. The cubic root of 1445328344 is about 1130.6343434978.

The spelling of 1445328344 in words is "one billion, four hundred forty-five million, three hundred twenty-eight thousand, three hundred forty-four".