1345448 has 32 divisors (see below), whose sum is σ = 2880360. Its totient is φ = 583680.

The previous prime is 1345441. The next prime is 1345451. The reversal of 1345448 is 8445431.

It can be written as a sum of positive squares in 4 ways, for example, as 643204 + 702244 = 802^2 + 838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1345448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388 + ... + 2148.

2^1345448 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 1345448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440180).

1345448 is an abundant number, since it is smaller than the sum of its proper divisors (1534912).

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

1345448 is a wasteful number, since it uses less digits than its factorization.

1345448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 793 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1345448 is about 1159.9344809083. The cubic root of 1345448 is about 110.3965849955.

The spelling of 1345448 in words is "one million, three hundred forty-five thousand, four hundred forty-eight".