1045547328 has 224 divisors, whose sum is σ = 3402445824. Its totient is φ = 276553728.

The previous prime is 1045547299. The next prime is 1045547351. The reversal of 1045547328 is 8237455401.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1530475 + ... + 1531157.

Almost surely, 2^1045547328 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 1045547328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701222912).

1045547328 is an abundant number, since it is smaller than the sum of its proper divisors (2356898496).

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

1045547328 is a wasteful number, since it uses less digits than its factorization.

1045547328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 1045547328 is about 32334.9242770105. The cubic root of 1045547328 is about 1014.9575974586.

The spelling of 1045547328 in words is "one billion, forty-five million, five hundred forty-seven thousand, three hundred twenty-eight".