245402243521103 has 2 divisors, whose sum is σ = 245402243521104. Its totient is φ = 245402243521102.

The previous prime is 245402243521073. The next prime is 245402243521129. The reversal of 245402243521103 is 301125342204542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245402243521103 - 2¹⁸ = 245402243258959 is a prime.

It is a super-2 number, since 2×245402243521103² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245402203521103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122701121760551 + 122701121760552.

It is an arithmetic number, because the mean of its divisors is an integer number (122701121760552).

Almost surely, 2^{245402243521103} is an apocalyptic number.

245402243521103 is a deficient number, since it is larger than the sum of its proper divisors (1).

245402243521103 is an equidigital number, since it uses as much as digits as its factorization.

245402243521103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 245402243521103 its reverse (301125342204542), we get a palindrome (546527585725645).

The spelling of 245402243521103 in words is "two hundred forty-five trillion, four hundred two billion, two hundred forty-three million, five hundred twenty-one thousand, one hundred three".