245510154101 has 2 divisors, whose sum is σ = 245510154102. Its totient is φ = 245510154100.

The previous prime is 245510154091. The next prime is 245510154139. The reversal of 245510154101 is 101451015542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195456831025 + 50053323076 = 442105^2 + 223726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245510154101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245510154161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122755077050 + 122755077051.

It is an arithmetic number, because the mean of its divisors is an integer number (122755077051).

Almost surely, 2^245510154101 is an apocalyptic number.

It is an amenable number.

245510154101 is a deficient number, since it is larger than the sum of its proper divisors (1).

245510154101 is an equidigital number, since it uses as much as digits as its factorization.

245510154101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 245510154101 its reverse (101451015542), we get a palindrome (346961169643).

The spelling of 245510154101 in words is "two hundred forty-five billion, five hundred ten million, one hundred fifty-four thousand, one hundred one".