2160146 has 4 divisors (see below), whose sum is σ = 3240222. Its totient is φ = 1080072.

The previous prime is 2160133. The next prime is 2160149. The reversal of 2160146 is 6410612.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 570025 = 1261^2 + 755^2 .

It is not an unprimeable number, because it can be changed into a prime (2160149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540035 + ... + 540038.

2^2160146 is an apocalyptic number.

2160146 is a deficient number, since it is larger than the sum of its proper divisors (1080076).

2160146 is a wasteful number, since it uses less digits than its factorization.

2160146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080075.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2160146 is about 1469.7435150393. The cubic root of 2160146 is about 129.2689938128.

Adding to 2160146 its reverse (6410612), we get a palindrome (8570758).

The spelling of 2160146 in words is "two million, one hundred sixty thousand, one hundred forty-six".