245042105047 has 2 divisors, whose sum is σ = 245042105048. Its totient is φ = 245042105046.

The previous prime is 245042104969. The next prime is 245042105057. The reversal of 245042105047 is 740501240542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245042105047 - 2⁷ = 245042104919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245042105057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122521052523 + 122521052524.

It is an arithmetic number, because the mean of its divisors is an integer number (122521052524).

Almost surely, 2^245042105047 is an apocalyptic number.

245042105047 is a deficient number, since it is larger than the sum of its proper divisors (1).

245042105047 is an equidigital number, since it uses as much as digits as its factorization.

245042105047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 245042105047 its reverse (740501240542), we get a palindrome (985543345589).

The spelling of 245042105047 in words is "two hundred forty-five billion, forty-two million, one hundred five thousand, forty-seven".