1044945 has 24 divisors (see below), whose sum is σ = 1976832. Its totient is φ = 506400.

The previous prime is 1044941. The next prime is 1044971. The reversal of 1044945 is 5494401.

It is not a de Polignac number, because 1044945 - 2² = 1044941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561 + ... + 1550.

It is an arithmetic number, because the mean of its divisors is an integer number (82368).

2^1044945 is an apocalyptic number.

1044945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1044945 is a deficient number, since it is larger than the sum of its proper divisors (931887).

1044945 is a wasteful number, since it uses less digits than its factorization.

1044945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2130 counting only the distinct ones).

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

The square root of 1044945 is about 1022.2255132797. The cubic root of 1044945 is about 101.4762658152.

The spelling of 1044945 in words is "one million, forty-four thousand, nine hundred forty-five".