4545143191 has 4 divisors (see below), whose sum is σ = 4656000384. Its totient is φ = 4434286000.

The previous prime is 4545143189. The next prime is 4545143209. The reversal of 4545143191 is 1913415454.

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 4545143191 - 2¹ = 4545143189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545143191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545143591) 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, 55428535 + ... + 55428616.

It is an arithmetic number, because the mean of its divisors is an integer number (1164000096).

Almost surely, 2^4545143191 is an apocalyptic number.

4545143191 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4545143191 is a deficient number, since it is larger than the sum of its proper divisors (110857193).

4545143191 is a wasteful number, since it uses less digits than its factorization.

4545143191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110857192.

The product of its digits is 43200, while the sum is 37.

The square root of 4545143191 is about 67417.6771403465. The cubic root of 4545143191 is about 1656.4659891079.

The spelling of 4545143191 in words is "four billion, five hundred forty-five million, one hundred forty-three thousand, one hundred ninety-one".