2041145 has 4 divisors (see below), whose sum is σ = 2449380. Its totient is φ = 1632912.

The previous prime is 2041129. The next prime is 2041147. The reversal of 2041145 is 5411402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 942841 + 1098304 = 971^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041145 - 2⁴ = 2041129 is a prime.

It is a super-2 number, since 2×2041145² = 8332545822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204110 + ... + 204119.

It is an arithmetic number, because the mean of its divisors is an integer number (612345).

2^2041145 is an apocalyptic number.

It is an amenable number.

2041145 is a deficient number, since it is larger than the sum of its proper divisors (408235).

2041145 is an equidigital number, since it uses as much as digits as its factorization.

2041145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408234.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2041145 is about 1428.6864596545. The cubic root of 2041145 is about 126.8502378329.

Adding to 2041145 its reverse (5411402), we get a palindrome (7452547).

The spelling of 2041145 in words is "two million, forty-one thousand, one hundred forty-five".