2130237145 has 4 divisors (see below), whose sum is σ = 2556284580. Its totient is φ = 1704189712.

The previous prime is 2130237127. The next prime is 2130237209. The reversal of 2130237145 is 5417320312.

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 798571081 + 1331666064 = 28259^2 + 36492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130237145 - 2¹⁷ = 2130106073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213023710 + ... + 213023719.

It is an arithmetic number, because the mean of its divisors is an integer number (639071145).

Almost surely, 2^2130237145 is an apocalyptic number.

It is an amenable number.

2130237145 is a deficient number, since it is larger than the sum of its proper divisors (426047435).

2130237145 is an equidigital number, since it uses as much as digits as its factorization.

2130237145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426047434.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2130237145 is about 46154.4921432356. The cubic root of 2130237145 is about 1286.6960994084.

Adding to 2130237145 its reverse (5417320312), we get a palindrome (7547557457).

The spelling of 2130237145 in words is "two billion, one hundred thirty million, two hundred thirty-seven thousand, one hundred forty-five".