1445441 has 4 divisors (see below), whose sum is σ = 1470000. Its totient is φ = 1420884.

The previous prime is 1445429. The next prime is 1445443.

It is a happy number.

1445441 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1445443) 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, 12191 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (367500).

2^1445441 is an apocalyptic number.

It is an amenable number.

1445441 is a deficient number, since it is larger than the sum of its proper divisors (24559).

1445441 is an equidigital number, since it uses as much as digits as its factorization.

1445441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558.

The product of its digits is 1280, while the sum is 23.

The square root of 1445441 is about 1202.2649458418. The cubic root of 1445441 is about 113.0663718469.

The spelling of 1445441 in words is "one million, four hundred forty-five thousand, four hundred forty-one".