1045449 has 12 divisors (see below), whose sum is σ = 1599156. Its totient is φ = 655872.

The previous prime is 1045427. The next prime is 1045469. The reversal of 1045449 is 9445401.

It can be written as a sum of positive squares in 2 ways, for example, as 455625 + 589824 = 675^2 + 768^2 .

It is not a de Polignac number, because 1045449 - 2⁷ = 1045321 is a prime.

It is a super-2 number, since 2×1045449² = 2185927223202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1045409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3264 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (133263).

2^1045449 is an apocalyptic number.

It is an amenable number.

1045449 is a deficient number, since it is larger than the sum of its proper divisors (553707).

1045449 is a wasteful number, since it uses less digits than its factorization.

1045449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1045449 is about 1022.4720045067. The cubic root of 1045449 is about 101.4925779393.

The spelling of 1045449 in words is "one million, forty-five thousand, four hundred forty-nine".