245044301430191 has 4 divisors (see below), whose sum is σ = 245784616540584. Its totient is φ = 244303986319800.

The previous prime is 245044301430157. The next prime is 245044301430211. The reversal of 245044301430191 is 191034103440542.

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

It is a cyclic number.

It is not a de Polignac number, because 245044301430191 - 2³⁰ = 245043227688367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245044301430101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370157554700 + ... + 370157555361.

It is an arithmetic number, because the mean of its divisors is an integer number (61446154135146).

Almost surely, 2^{245044301430191} is an apocalyptic number.

245044301430191 is a deficient number, since it is larger than the sum of its proper divisors (740315110393).

245044301430191 is an equidigital number, since it uses as much as digits as its factorization.

245044301430191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740315110392.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 245044301430191 in words is "two hundred forty-five trillion, forty-four billion, three hundred one million, four hundred thirty thousand, one hundred ninety-one".