2145328051 has 2 divisors, whose sum is σ = 2145328052. Its totient is φ = 2145328050.

The previous prime is 2145328049. The next prime is 2145328063. The reversal of 2145328051 is 1508235412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145328051 - 2¹ = 2145328049 is a prime.

Together with 2145328049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2145325051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072664025 + 1072664026.

It is an arithmetic number, because the mean of its divisors is an integer number (1072664026).

Almost surely, 2^2145328051 is an apocalyptic number.

2145328051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145328051 is an equidigital number, since it uses as much as digits as its factorization.

2145328051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2145328051 is about 46317.6861576655. The cubic root of 2145328051 is about 1289.7273327516.

The spelling of 2145328051 in words is "two billion, one hundred forty-five million, three hundred twenty-eight thousand, fifty-one".