2145540455327 has 2 divisors, whose sum is σ = 2145540455328. Its totient is φ = 2145540455326.

The previous prime is 2145540455203. The next prime is 2145540455417. The reversal of 2145540455327 is 7235540455412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145540455327 - 2²⁶ = 2145473346463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145540454327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072770227663 + 1072770227664.

It is an arithmetic number, because the mean of its divisors is an integer number (1072770227664).

Almost surely, 2^{2145540455327} is an apocalyptic number.

2145540455327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145540455327 is an equidigital number, since it uses as much as digits as its factorization.

2145540455327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360000, while the sum is 47.

The spelling of 2145540455327 in words is "two trillion, one hundred forty-five billion, five hundred forty million, four hundred fifty-five thousand, three hundred twenty-seven".