1445764344 has 64 divisors (see below), whose sum is σ = 3718041600. Its totient is φ = 468146304.

The previous prime is 1445764279. The next prime is 1445764363. The reversal of 1445764344 is 4434675441.

1445764344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1445764296 and 1445764305.

It is a congruent number.

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, 921849 + ... + 923415.

It is an arithmetic number, because the mean of its divisors is an integer number (58094400).

Almost surely, 2^1445764344 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 1445764344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859020800).

1445764344 is an abundant number, since it is smaller than the sum of its proper divisors (2272277256).

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

1445764344 is a wasteful number, since it uses less digits than its factorization.

1445764344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2648 counting only the distinct ones).

The product of its digits is 645120, while the sum is 42.

The square root of 1445764344 is about 38023.2079656622. The cubic root of 1445764344 is about 1130.7480217069.

The spelling of 1445764344 in words is "one billion, four hundred forty-five million, seven hundred sixty-four thousand, three hundred forty-four".