4245145191 has 24 divisors (see below), whose sum is σ = 7420087584. Its totient is φ = 2283102720.

The previous prime is 4245145189. The next prime is 4245145199. The reversal of 4245145191 is 1915415424.

4245145191 is a `hidden beast` number, since 4 + 2 + 4 + 514 + 51 + 91 = 666.

It is not a de Polignac number, because 4245145191 - 2¹ = 4245145189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245145199) 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 23 ways as a sum of consecutive naturals, for example, 1980790 + ... + 1982931.

It is an arithmetic number, because the mean of its divisors is an integer number (309170316).

Almost surely, 2^4245145191 is an apocalyptic number.

4245145191 is a deficient number, since it is larger than the sum of its proper divisors (3174942393).

4245145191 is a wasteful number, since it uses less digits than its factorization.

4245145191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963751 (or 3963748 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4245145191 is about 65154.7787272737. The cubic root of 4245145191 is about 1619.1888932287.

The spelling of 4245145191 in words is "four billion, two hundred forty-five million, one hundred forty-five thousand, one hundred ninety-one".