1045723632 has 80 divisors (see below), whose sum is σ = 2764823040. Its totient is φ = 340494336.

The previous prime is 1045723621. The next prime is 1045723639. The reversal of 1045723632 is 2363275401.

It is a junction number, because it is equal to n+sod(n) for n = 1045723593 and 1045723602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045723639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366403 + ... + 369245.

It is an arithmetic number, because the mean of its divisors is an integer number (34560288).

Almost surely, 2^1045723632 is an apocalyptic number.

1045723632 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 1045723632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382411520).

1045723632 is an abundant number, since it is smaller than the sum of its proper divisors (1719099408).

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

1045723632 is a wasteful number, since it uses less digits than its factorization.

1045723632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3024 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 1045723632 is about 32337.6503784675. The cubic root of 1045723632 is about 1015.0146428683.

The spelling of 1045723632 in words is "one billion, forty-five million, seven hundred twenty-three thousand, six hundred thirty-two".