1145430189 has 12 divisors (see below), whose sum is σ = 1682553600. Its totient is φ = 750677064.

The previous prime is 1145430163. The next prime is 1145430203. The reversal of 1145430189 is 9810345411.

1145430189 is a `hidden beast` number, since 1 + 1 + 45 + 430 + 189 = 666.

It is not a de Polignac number, because 1145430189 - 2⁵ = 1145430157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145420189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078029 + ... + 1079090.

It is an arithmetic number, because the mean of its divisors is an integer number (140212800).

Almost surely, 2^1145430189 is an apocalyptic number.

It is an amenable number.

1145430189 is a deficient number, since it is larger than the sum of its proper divisors (537123411).

1145430189 is a wasteful number, since it uses less digits than its factorization.

1145430189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157184 (or 2157181 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1145430189 is about 33844.2046589959. The cubic root of 1145430189 is about 1046.2999592456.

The spelling of 1145430189 in words is "one billion, one hundred forty-five million, four hundred thirty thousand, one hundred eighty-nine".