2045164 has 24 divisors (see below), whose sum is σ = 3982608. Its totient is φ = 911040.

The previous prime is 2045129. The next prime is 2045177. The reversal of 2045164 is 4615402.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (165942).

2^2045164 is an apocalyptic number.

It is an amenable number.

2045164 is a deficient number, since it is larger than the sum of its proper divisors (1937444).

2045164 is a wasteful number, since it uses less digits than its factorization.

2045164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2045164 is about 1430.0923047132. The cubic root of 2045164 is about 126.9334389883.

It can be divided in two parts, 2045 and 164, that added together give a square (2209 = 47²).

The spelling of 2045164 in words is "two million, forty-five thousand, one hundred sixty-four".