1045571232 has 72 divisors (see below), whose sum is σ = 2791309248. Its totient is φ = 342693120.

The previous prime is 1045571221. The next prime is 1045571239. The reversal of 1045571232 is 2321755401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045571232.

It is not an unprimeable number, because it can be changed into a prime (1045571239) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 355753 + ... + 358679.

It is an arithmetic number, because the mean of its divisors is an integer number (38768184).

Almost surely, 2^1045571232 is an apocalyptic number.

1045571232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045571232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395654624).

1045571232 is an abundant number, since it is smaller than the sum of its proper divisors (1745738016).

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

1045571232 is an equidigital number, since it uses as much as digits as its factorization.

1045571232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1045571232 is about 32335.2939061948. The cubic root of 1045571232 is about 1014.9653322787.

The spelling of 1045571232 in words is "one billion, forty-five million, five hundred seventy-one thousand, two hundred thirty-two".