2160245 has 8 divisors (see below), whose sum is σ = 2662584. Its totient is φ = 1681344.

The previous prime is 2160233. The next prime is 2160247. The reversal of 2160245 is 5420612.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 996004 + 1164241 = 998^2 + 1079^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2160245 - 2¹⁴ = 2143861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160247) 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, 5654 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (332823).

2^2160245 is an apocalyptic number.

It is an amenable number.

2160245 is a deficient number, since it is larger than the sum of its proper divisors (502339).

2160245 is a wasteful number, since it uses less digits than its factorization.

2160245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11719.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2160245 is about 1469.7771939991. Note that the first 3 decimals coincide. The cubic root of 2160245 is about 129.2709685921.

Adding to 2160245 its reverse (5420612), we get a palindrome (7580857).

The spelling of 2160245 in words is "two million, one hundred sixty thousand, two hundred forty-five".