2145185 has 8 divisors (see below), whose sum is σ = 2942016. Its totient is φ = 1470960.

The previous prime is 2145173. The next prime is 2145191. The reversal of 2145185 is 5815412.

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

It is not a de Polignac number, because 2145185 - 2¹⁰ = 2144161 is a prime.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30611 + ... + 30680.

It is an arithmetic number, because the mean of its divisors is an integer number (367752).

2^2145185 is an apocalyptic number.

It is an amenable number.

2145185 is a deficient number, since it is larger than the sum of its proper divisors (796831).

2145185 is an equidigital number, since it uses as much as digits as its factorization.

2145185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61303.

The product of its digits is 1600, while the sum is 26.

The square root of 2145185 is about 1464.6450081846. The cubic root of 2145185 is about 128.9698665670.

The spelling of 2145185 in words is "two million, one hundred forty-five thousand, one hundred eighty-five".