1045385188 has 12 divisors (see below), whose sum is σ = 1856729392. Its totient is φ = 514891080.

The previous prime is 1045385183. The next prime is 1045385207. The reversal of 1045385188 is 8815835401.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1045385183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950078 + ... + 1950613.

Almost surely, 2^1045385188 is an apocalyptic number.

It is an amenable number.

1045385188 is a deficient number, since it is larger than the sum of its proper divisors (811344204).

1045385188 is a wasteful number, since it uses less digits than its factorization.

1045385188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900762 (or 3900760 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 1045385188 is about 32332.4169835786. The cubic root of 1045385188 is about 1014.9051293308.

The spelling of 1045385188 in words is "one billion, forty-five million, three hundred eighty-five thousand, one hundred eighty-eight".