245163191 has 16 divisors (see below), whose sum is σ = 302400000. Its totient is φ = 193550688.

The previous prime is 245163173. The next prime is 245163211. The reversal of 245163191 is 191361542.

It is a cyclic number.

It is not a de Polignac number, because 245163191 - 2¹⁴ = 245146807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245163161) 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 15 ways as a sum of consecutive naturals, for example, 42710 + ... + 48108.

It is an arithmetic number, because the mean of its divisors is an integer number (18900000).

Almost surely, 2^245163191 is an apocalyptic number.

245163191 is a deficient number, since it is larger than the sum of its proper divisors (57236809).

245163191 is a wasteful number, since it uses less digits than its factorization.

245163191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918.

The product of its digits is 6480, while the sum is 32.

The square root of 245163191 is about 15657.6879199964. The cubic root of 245163191 is about 625.8713742199.

The spelling of 245163191 in words is "two hundred forty-five million, one hundred sixty-three thousand, one hundred ninety-one".