245567074505 has 4 divisors (see below), whose sum is σ = 294680489412. Its totient is φ = 196453659600.

The previous prime is 245567074439. The next prime is 245567074507. The reversal of 245567074505 is 505470765542.

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 43465578256 + 202101496249 = 208484^2 + 449557^2 .

It is not a de Polignac number, because 245567074505 - 2¹² = 245567070409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245567074507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24556707446 + ... + 24556707455.

It is an arithmetic number, because the mean of its divisors is an integer number (73670122353).

Almost surely, 2^245567074505 is an apocalyptic number.

It is an amenable number.

245567074505 is a deficient number, since it is larger than the sum of its proper divisors (49113414907).

245567074505 is an equidigital number, since it uses as much as digits as its factorization.

245567074505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49113414906.

The product of its (nonzero) digits is 5880000, while the sum is 50.

The spelling of 245567074505 in words is "two hundred forty-five billion, five hundred sixty-seven million, seventy-four thousand, five hundred five".