1045647232 has 64 divisors (see below), whose sum is σ = 2445135840. Its totient is φ = 436008960.

The previous prime is 1045647221. The next prime is 1045647241. The reversal of 1045647232 is 2327465401.

1045647232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17382 + ... + 48922.

Almost surely, 2^1045647232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045647232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222567920).

1045647232 is an abundant number, since it is smaller than the sum of its proper divisors (1399488608).

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

1045647232 is an equidigital number, since it uses as much as digits as its factorization.

1045647232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31599 (or 31587 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1045647232 is about 32336.4690713133. The cubic root of 1045647232 is about 1014.9899234604.

The spelling of 1045647232 in words is "one billion, forty-five million, six hundred forty-seven thousand, two hundred thirty-two".