2150232145 has 4 divisors (see below), whose sum is σ = 2580278580. Its totient is φ = 1720185712.

The previous prime is 2150232143. The next prime is 2150232163. The reversal of 2150232145 is 5412320512.

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 257025024 + 1893207121 = 16032^2 + 43511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150232145 - 2¹ = 2150232143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2150232143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215023210 + ... + 215023219.

It is an arithmetic number, because the mean of its divisors is an integer number (645069645).

Almost surely, 2^2150232145 is an apocalyptic number.

It is an amenable number.

2150232145 is a deficient number, since it is larger than the sum of its proper divisors (430046435).

2150232145 is an equidigital number, since it uses as much as digits as its factorization.

2150232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430046434.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2150232145 is about 46370.5956938230. The cubic root of 2150232145 is about 1290.7093318603.

Adding to 2150232145 its reverse (5412320512), we get a palindrome (7562552657).

The spelling of 2150232145 in words is "two billion, one hundred fifty million, two hundred thirty-two thousand, one hundred forty-five".