245120422241 has 4 divisors (see below), whose sum is σ = 245126926512. Its totient is φ = 245113917972.

The previous prime is 245120422229. The next prime is 245120422333. The reversal of 245120422241 is 142224021542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245120422241 is a prime.

It is a super-2 number, since 2×245120422241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245120427241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195275 + ... + 3271088.

It is an arithmetic number, because the mean of its divisors is an integer number (61281731628).

Almost surely, 2^245120422241 is an apocalyptic number.

It is an amenable number.

245120422241 is a deficient number, since it is larger than the sum of its proper divisors (6504271).

245120422241 is an equidigital number, since it uses as much as digits as its factorization.

245120422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504270.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 245120422241 its reverse (142224021542), we get a palindrome (387344443783).

The spelling of 245120422241 in words is "two hundred forty-five billion, one hundred twenty million, four hundred twenty-two thousand, two hundred forty-one".