2145585 has 16 divisors (see below), whose sum is σ = 3697344. Its totient is φ = 1056192.

The previous prime is 2145551. The next prime is 2145617. The reversal of 2145585 is 5855412.

2145585 = T₆₈₆ + T₆₈₇ + ... + T₆₉₄.

It is not a de Polignac number, because 2145585 - 2⁸ = 2145329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307 + ... + 5696.

It is an arithmetic number, because the mean of its divisors is an integer number (231084).

2^2145585 is an apocalyptic number.

It is an amenable number.

2145585 is a deficient number, since it is larger than the sum of its proper divisors (1551759).

2145585 is a wasteful number, since it uses less digits than its factorization.

2145585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024.

The product of its digits is 8000, while the sum is 30.

The square root of 2145585 is about 1464.7815536796. The cubic root of 2145585 is about 128.9778821523.

The spelling of 2145585 in words is "two million, one hundred forty-five thousand, five hundred eighty-five".