2045582 has 32 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 773280.

The previous prime is 2045569. The next prime is 2045587. The reversal of 2045582 is 2855402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045587) 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 15 ways as a sum of consecutive naturals, for example, 5519 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2045582 is an apocalyptic number.

2045582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2045582 is a deficient number, since it is larger than the sum of its proper divisors (1894258).

2045582 is a wasteful number, since it uses less digits than its factorization.

2045582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2045582 is about 1430.2384416593. The cubic root of 2045582 is about 126.9420861453.

The spelling of 2045582 in words is "two million, forty-five thousand, five hundred eighty-two".