1445344 has 36 divisors (see below), whose sum is σ = 3002832. Its totient is φ = 684480.

The previous prime is 1445341. The next prime is 1445351. The reversal of 1445344 is 4435441.

Its product of digits (3840) is a multiple of the sum of its prime divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30729 + ... + 30775.

It is an arithmetic number, because the mean of its divisors is an integer number (83412).

2^1445344 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 1445344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501416).

1445344 is an abundant number, since it is smaller than the sum of its proper divisors (1557488).

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

1445344 is an equidigital number, since it uses as much as digits as its factorization.

1445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 80 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 1445344 is about 1202.2246046392. The cubic root of 1445344 is about 113.0638425880.

The spelling of 1445344 in words is "one million, four hundred forty-five thousand, three hundred forty-four".