1444457 has 4 divisors (see below), whose sum is σ = 1650816. Its totient is φ = 1238100.

The previous prime is 1444447. The next prime is 1444459. The reversal of 1444457 is 7544441.

It is a happy number.

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 not a de Polignac number, because 1444457 - 2⁴ = 1444441 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1444459) 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, 103169 + ... + 103182.

It is an arithmetic number, because the mean of its divisors is an integer number (412704).

2^1444457 is an apocalyptic number.

It is an amenable number.

1444457 is a deficient number, since it is larger than the sum of its proper divisors (206359).

1444457 is an equidigital number, since it uses as much as digits as its factorization.

1444457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206358.

The product of its digits is 8960, while the sum is 29.

The square root of 1444457 is about 1201.8556485702. The cubic root of 1444457 is about 113.0407089601.

Adding to 1444457 its reverse (7544441), we get a palindrome (8988898).

The spelling of 1444457 in words is "one million, four hundred forty-four thousand, four hundred fifty-seven".