4545143189 has 2 divisors, whose sum is σ = 4545143190. Its totient is φ = 4545143188.

The previous prime is 4545143173. The next prime is 4545143209. The reversal of 4545143189 is 9813415454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3163162564 + 1381980625 = 56242^2 + 37175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545143189 - 2⁴ = 4545143173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545143389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272571594 + 2272571595.

It is an arithmetic number, because the mean of its divisors is an integer number (2272571595).

Almost surely, 2^4545143189 is an apocalyptic number.

It is an amenable number.

4545143189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545143189 is an equidigital number, since it uses as much as digits as its factorization.

4545143189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 4545143189 is about 67417.6771255136. The cubic root of 4545143189 is about 1656.4659888649.

The spelling of 4545143189 in words is "four billion, five hundred forty-five million, one hundred forty-three thousand, one hundred eighty-nine".