2045508 has 48 divisors (see below), whose sum is σ = 5209344. Its totient is φ = 622080.

The previous prime is 2045503. The next prime is 2045509. The reversal of 2045508 is 8055402.

It is not an unprimeable number, because it can be changed into a prime (2045503) 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 in 15 ways as a sum of consecutive naturals, for example, 7413 + ... + 7683.

It is an arithmetic number, because the mean of its divisors is an integer number (108528).

2^2045508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604672).

2045508 is an abundant number, since it is smaller than the sum of its proper divisors (3163836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045508 is a wasteful number, since it uses less digits than its factorization.

2045508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2045508 is about 1430.2125716130. The cubic root of 2045508 is about 126.9405553947.

The spelling of 2045508 in words is "two million, forty-five thousand, five hundred eight".