245365143227 has 2 divisors, whose sum is σ = 245365143228. Its totient is φ = 245365143226.

The previous prime is 245365143143. The next prime is 245365143229. The reversal of 245365143227 is 722341563542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245365143227 is a prime.

Together with 245365143229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245365143229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122682571613 + 122682571614.

It is an arithmetic number, because the mean of its divisors is an integer number (122682571614).

Almost surely, 2^245365143227 is an apocalyptic number.

245365143227 is a deficient number, since it is larger than the sum of its proper divisors (1).

245365143227 is an equidigital number, since it uses as much as digits as its factorization.

245365143227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 44.

The spelling of 245365143227 in words is "two hundred forty-five billion, three hundred sixty-five million, one hundred forty-three thousand, two hundred twenty-seven".