1045444128 has 48 divisors (see below), whose sum is σ = 2790819360. Its totient is φ = 342573056.

The previous prime is 1045444091. The next prime is 1045444151. The reversal of 1045444128 is 8214445401.

It is a tau number, because it is divible by the number of its divisors (48).

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, 86625 + ... + 97952.

It is an arithmetic number, because the mean of its divisors is an integer number (58142070).

Almost surely, 2^1045444128 is an apocalyptic number.

It is an amenable number.

1045444128 is an abundant number, since it is smaller than the sum of its proper divisors (1745375232).

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

1045444128 is a wasteful number, since it uses less digits than its factorization.

1045444128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184649 (or 184641 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 1045444128 is about 32333.3284398622. The cubic root of 1045444128 is about 1014.9242028056.

Adding to 1045444128 its reverse (8214445401), we get a palindrome (9259889529).

The spelling of 1045444128 in words is "one billion, forty-five million, four hundred forty-four thousand, one hundred twenty-eight".