1045020032 has 64 divisors (see below), whose sum is σ = 2412944640. Its totient is φ = 441530880.

The previous prime is 1045019999. The next prime is 1045020047. The reversal of 1045020032 is 2300205401.

1045020032 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, 55403 + ... + 71829.

It is an arithmetic number, because the mean of its divisors is an integer number (37702260).

Almost surely, 2^1045020032 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 1045020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206472320).

1045020032 is an abundant number, since it is smaller than the sum of its proper divisors (1367924608).

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

1045020032 is an equidigital number, since it uses as much as digits as its factorization.

1045020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16519 (or 16507 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1045020032 is about 32326.7695880674. The cubic root of 1045020032 is about 1014.7869458260.

Adding to 1045020032 its reverse (2300205401), we get a palindrome (3345225433).

The spelling of 1045020032 in words is "one billion, forty-five million, twenty thousand, thirty-two".