2195145 has 12 divisors (see below), whose sum is σ = 3804996. Its totient is φ = 1170720.

The previous prime is 2195119. The next prime is 2195147. The reversal of 2195145 is 5415912.

It can be written as a sum of positive squares in 2 ways, for example, as 356409 + 1838736 = 597^2 + 1356^2 .

It is not a de Polignac number, because 2195145 - 2⁵ = 2195113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2195147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24346 + ... + 24435.

It is an arithmetic number, because the mean of its divisors is an integer number (317083).

2^2195145 is an apocalyptic number.

It is an amenable number.

2195145 is a deficient number, since it is larger than the sum of its proper divisors (1609851).

2195145 is a wasteful number, since it uses less digits than its factorization.

2195145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48792 (or 48789 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2195145 is about 1481.6021733245. The cubic root of 2195145 is about 129.9634019265.

The spelling of 2195145 in words is "two million, one hundred ninety-five thousand, one hundred forty-five".