245122505455 has 8 divisors (see below), whose sum is σ = 295074916992. Its totient is φ = 195479397408.

The previous prime is 245122505389. The next prime is 245122505461. The reversal of 245122505455 is 554505221542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245122505455 - 2¹¹ = 245122503407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77324127 + ... + 77327296.

It is an arithmetic number, because the mean of its divisors is an integer number (36884364624).

Almost surely, 2^245122505455 is an apocalyptic number.

245122505455 is a deficient number, since it is larger than the sum of its proper divisors (49952411537).

245122505455 is a wasteful number, since it uses less digits than its factorization.

245122505455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154651745.

The product of its (nonzero) digits is 400000, while the sum is 40.

Adding to 245122505455 its reverse (554505221542), we get a palindrome (799627726997).

The spelling of 245122505455 in words is "two hundred forty-five billion, one hundred twenty-two million, five hundred five thousand, four hundred fifty-five".