245122505451 has 20 divisors (see below), whose sum is σ = 382091122512. Its totient is φ = 156310002288.

The previous prime is 245122505389. The next prime is 245122505461. The reversal of 245122505451 is 154505221542.

245122505451 is a `hidden beast` number, since 2 + 45 + 1 + 22 + 50 + 545 + 1 = 666.

245122505451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245122505451 - 2¹⁹ = 245121981163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245122505461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65785176 + ... + 65788901.

Almost surely, 2^245122505451 is an apocalyptic number.

245122505451 is a deficient number, since it is larger than the sum of its proper divisors (136968617061).

245122505451 is a wasteful number, since it uses less digits than its factorization.

245122505451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131574112 (or 131574103 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 245122505451 its reverse (154505221542), we get a palindrome (399627726993).

The spelling of 245122505451 in words is "two hundred forty-five billion, one hundred twenty-two million, five hundred five thousand, four hundred fifty-one".