1045643464 has 16 divisors (see below), whose sum is σ = 1961726220. Its totient is φ = 522516480.

The previous prime is 1045643453. The next prime is 1045643471. The reversal of 1045643464 is 4643465401.

It can be written as a sum of positive squares in 2 ways, for example, as 970820964 + 74822500 = 31158^2 + 8650^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23257 + ... + 51304.

Almost surely, 2^1045643464 is an apocalyptic number.

It is an amenable number.

1045643464 is a deficient number, since it is larger than the sum of its proper divisors (916082756).

1045643464 is a wasteful number, since it uses less digits than its factorization.

1045643464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76320 (or 76316 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 1045643464 is about 32336.4108088699. The cubic root of 1045643464 is about 1014.9887042835.

The spelling of 1045643464 in words is "one billion, forty-five million, six hundred forty-three thousand, four hundred sixty-four".