2045385 has 32 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 1073088.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045385 is 5835402.

It is not a de Polignac number, because 2045385 - 2³ = 2045377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14646 + ... + 14784.

It is an arithmetic number, because the mean of its divisors is an integer number (115500).

2^2045385 is an apocalyptic number.

It is an amenable number.

2045385 is a deficient number, since it is larger than the sum of its proper divisors (1650615).

2045385 is a wasteful number, since it uses less digits than its factorization.

2045385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2045385 is about 1430.1695703657. The cubic root of 2045385 is about 126.9380109573.

The spelling of 2045385 in words is "two million, forty-five thousand, three hundred eighty-five".