1045385186 has 16 divisors (see below), whose sum is σ = 1605415680. Its totient is φ = 510301920.

The previous prime is 1045385183. The next prime is 1045385207. The reversal of 1045385186 is 6815835401.

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 7 ways as a sum of consecutive naturals, for example, 24851 + ... + 52041.

It is an arithmetic number, because the mean of its divisors is an integer number (100338480).

Almost surely, 2^1045385186 is an apocalyptic number.

1045385186 is a deficient number, since it is larger than the sum of its proper divisors (560030494).

1045385186 is a wasteful number, since it uses less digits than its factorization.

1045385186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27649.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 1045385186 is about 32332.4169526499. The cubic root of 1045385186 is about 1014.9051286836.

The spelling of 1045385186 in words is "one billion, forty-five million, three hundred eighty-five thousand, one hundred eighty-six".