245545140541499 has 2 divisors, whose sum is σ = 245545140541500. Its totient is φ = 245545140541498.

The previous prime is 245545140541457. The next prime is 245545140541529. The reversal of 245545140541499 is 994145041545542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245545140541499 - 2²⁰ = 245545139492923 is a prime.

It is not a weakly prime, because it can be changed into another prime (245545140541199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122772570270749 + 122772570270750.

It is an arithmetic number, because the mean of its divisors is an integer number (122772570270750).

Almost surely, 2^{245545140541499} is an apocalyptic number.

245545140541499 is a deficient number, since it is larger than the sum of its proper divisors (1).

245545140541499 is an equidigital number, since it uses as much as digits as its factorization.

245545140541499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680000, while the sum is 62.

The spelling of 245545140541499 in words is "two hundred forty-five trillion, five hundred forty-five billion, one hundred forty million, five hundred forty-one thousand, four hundred ninety-nine".