1445798912 has 44 divisors (see below), whose sum is σ = 2925179376. Its totient is φ = 714147840.

The previous prime is 1445798911. The next prime is 1445798917. The reversal of 1445798912 is 2198975441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1445798911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76487 + ... + 93497.

Almost surely, 2^1445798912 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 1445798912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462589688).

1445798912 is an abundant number, since it is smaller than the sum of its proper divisors (1479380464).

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

1445798912 is an equidigital number, since it uses as much as digits as its factorization.

1445798912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114 (or 17096 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 1445798912 is about 38023.6625274315. The cubic root of 1445798912 is about 1130.7570336381.

The spelling of 1445798912 in words is "one billion, four hundred forty-five million, seven hundred ninety-eight thousand, nine hundred twelve".