1045867189 has 8 divisors (see below), whose sum is σ = 1054690560. Its totient is φ = 1037056800.

The previous prime is 1045867159. The next prime is 1045867231. The reversal of 1045867189 is 9817685401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045867189 - 2²⁷ = 911649461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045867159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223132 + ... + 227770.

It is an arithmetic number, because the mean of its divisors is an integer number (131836320).

Almost surely, 2^1045867189 is an apocalyptic number.

It is an amenable number.

1045867189 is a deficient number, since it is larger than the sum of its proper divisors (8823371).

1045867189 is a wasteful number, since it uses less digits than its factorization.

1045867189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 1045867189 is about 32339.8699595407. The cubic root of 1045867189 is about 1015.0610878325.

The spelling of 1045867189 in words is "one billion, forty-five million, eight hundred sixty-seven thousand, one hundred eighty-nine".