1045648 has 10 divisors (see below), whose sum is σ = 2025974. Its totient is φ = 522816.

The previous prime is 1045643. The next prime is 1045651. The reversal of 1045648 is 8465401.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 29584 = 1008^2 + 172^2 .

It is not an unprimeable number, because it can be changed into a prime (1045643) 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 as a sum of consecutive naturals, namely, 32661 + ... + 32692.

2^1045648 is an apocalyptic number.

It is an amenable number.

1045648 is a deficient number, since it is larger than the sum of its proper divisors (980326).

1045648 is an equidigital number, since it uses as much as digits as its factorization.

1045648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65361 (or 65355 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1045648 is about 1022.5693130541. The cubic root of 1045648 is about 101.4990171955.

The spelling of 1045648 in words is "one million, forty-five thousand, six hundred forty-eight".