2145506014523 has 2 divisors, whose sum is σ = 2145506014524. Its totient is φ = 2145506014522.

The previous prime is 2145506014451. The next prime is 2145506014607. The reversal of 2145506014523 is 3254106055412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145506014523 - 2³⁰ = 2144432272699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145506014123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072753007261 + 1072753007262.

It is an arithmetic number, because the mean of its divisors is an integer number (1072753007262).

Almost surely, 2^{2145506014523} is an apocalyptic number.

2145506014523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145506014523 is an equidigital number, since it uses as much as digits as its factorization.

2145506014523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 2145506014523 in words is "two trillion, one hundred forty-five billion, five hundred six million, fourteen thousand, five hundred twenty-three".