4545914191 has 12 divisors (see below), whose sum is σ = 5694882312. Its totient is φ = 3596766768.

The previous prime is 4545914173. The next prime is 4545914207. The reversal of 4545914191 is 1914195454.

It is a happy number.

It is not a de Polignac number, because 4545914191 - 2²¹ = 4543817039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545915191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3567585 + ... + 3568858.

It is an arithmetic number, because the mean of its divisors is an integer number (474573526).

Almost surely, 2^4545914191 is an apocalyptic number.

4545914191 is a deficient number, since it is larger than the sum of its proper divisors (1148968121).

4545914191 is a wasteful number, since it uses less digits than its factorization.

4545914191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136470 (or 7136463 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 4545914191 is about 67423.3949827506. The cubic root of 4545914191 is about 1656.5596468150.

The spelling of 4545914191 in words is "four billion, five hundred forty-five million, nine hundred fourteen thousand, one hundred ninety-one".