245505235242143 has 2 divisors, whose sum is σ = 245505235242144. Its totient is φ = 245505235242142.

The previous prime is 245505235242133. The next prime is 245505235242151. The reversal of 245505235242143 is 341242532505542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245505235242143 - 2²⁴ = 245505218464927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245505235242133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122752617621071 + 122752617621072.

It is an arithmetic number, because the mean of its divisors is an integer number (122752617621072).

Almost surely, 2^{245505235242143} is an apocalyptic number.

245505235242143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245505235242143 is an equidigital number, since it uses as much as digits as its factorization.

245505235242143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760000, while the sum is 47.

Adding to 245505235242143 its reverse (341242532505542), we get a palindrome (586747767747685).

The spelling of 245505235242143 in words is "two hundred forty-five trillion, five hundred five billion, two hundred thirty-five million, two hundred forty-two thousand, one hundred forty-three".