1489445 has 4 divisors (see below), whose sum is σ = 1787340. Its totient is φ = 1191552.

The previous prime is 1489441. The next prime is 1489451. The reversal of 1489445 is 5449841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5449841 = 37 ⋅147293.

It can be written as a sum of positive squares in 2 ways, for example, as 925444 + 564001 = 962^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489445 - 2² = 1489441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148940 + ... + 148949.

It is an arithmetic number, because the mean of its divisors is an integer number (446835).

2^1489445 is an apocalyptic number.

It is an amenable number.

1489445 is a deficient number, since it is larger than the sum of its proper divisors (297895).

1489445 is an equidigital number, since it uses as much as digits as its factorization.

1489445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297894.

The product of its digits is 23040, while the sum is 35.

The square root of 1489445 is about 1220.4282035417. The cubic root of 1489445 is about 114.2022929171.

The spelling of 1489445 in words is "one million, four hundred eighty-nine thousand, four hundred forty-five".