2045185 has 8 divisors (see below), whose sum is σ = 2598696. Its totient is φ = 1539840.

The previous prime is 2045177. The next prime is 2045189. The reversal of 2045185 is 5815402.

It can be written as a sum of positive squares in 4 ways, for example, as 1100401 + 944784 = 1049^2 + 972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045185 - 2³ = 2045177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11946 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (324837).

2^2045185 is an apocalyptic number.

It is an amenable number.

2045185 is a deficient number, since it is larger than the sum of its proper divisors (553511).

2045185 is a wasteful number, since it uses less digits than its factorization.

2045185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24083.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2045185 is about 1430.0996468778. The cubic root of 2045185 is about 126.9338734429.

The spelling of 2045185 in words is "two million, forty-five thousand, one hundred eighty-five".