245203050101 has 4 divisors (see below), whose sum is σ = 245211667500. Its totient is φ = 245194432704.

The previous prime is 245203050097. The next prime is 245203050181. The reversal of 245203050101 is 101050302542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30180723076 + 215022327025 = 173726^2 + 463705^2 .

It is a cyclic number.

It is not a de Polignac number, because 245203050101 - 2² = 245203050097 is a prime.

It is a super-2 number, since 2×245203050101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245203050181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4265876 + ... + 4322973.

It is an arithmetic number, because the mean of its divisors is an integer number (61302916875).

Almost surely, 2^245203050101 is an apocalyptic number.

It is an amenable number.

245203050101 is a deficient number, since it is larger than the sum of its proper divisors (8617399).

245203050101 is an equidigital number, since it uses as much as digits as its factorization.

245203050101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617398.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 245203050101 its reverse (101050302542), we get a palindrome (346253352643).

The spelling of 245203050101 in words is "two hundred forty-five billion, two hundred three million, fifty thousand, one hundred one".