1045939164 has 12 divisors (see below), whose sum is σ = 2440524744. Its totient is φ = 348646384.

The previous prime is 1045939159. The next prime is 1045939177. The reversal of 1045939164 is 4619395401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 43580787 + ... + 43580810.

It is an arithmetic number, because the mean of its divisors is an integer number (203377062).

Almost surely, 2^1045939164 is an apocalyptic number.

It is an amenable number.

1045939164 is an abundant number, since it is smaller than the sum of its proper divisors (1394585580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045939164 is a wasteful number, since it uses less digits than its factorization.

1045939164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87161604 (or 87161602 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1045939164 is about 32340.9827308942. The cubic root of 1045939164 is about 1015.0843722886.

The spelling of 1045939164 in words is "one billion, forty-five million, nine hundred thirty-nine thousand, one hundred sixty-four".