1449445 has 4 divisors (see below), whose sum is σ = 1739340. Its totient is φ = 1159552.

The previous prime is 1449443. The next prime is 1449479. The reversal of 1449445 is 5449441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 1151329 = 546^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449445 - 2¹ = 1449443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449443) 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, 144940 + ... + 144949.

It is an arithmetic number, because the mean of its divisors is an integer number (434835).

2^1449445 is an apocalyptic number.

It is an amenable number.

1449445 is a deficient number, since it is larger than the sum of its proper divisors (289895).

1449445 is an equidigital number, since it uses as much as digits as its factorization.

1449445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289894.

The product of its digits is 11520, while the sum is 31.

The square root of 1449445 is about 1203.9289846166. The cubic root of 1449445 is about 113.1706768934.

The spelling of 1449445 in words is "one million, four hundred forty-nine thousand, four hundred forty-five".