1028458445 has 16 divisors (see below), whose sum is σ = 1411512960. Its totient is φ = 704700864.

The previous prime is 1028458439. The next prime is 1028458451. The reversal of 1028458445 is 5448548201.

It is an interprime number because it is at equal distance from previous prime (1028458439) and next prime (1028458451).

It is not a de Polignac number, because 1028458445 - 2¹⁶ = 1028392909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 39734 + ... + 60296.

It is an arithmetic number, because the mean of its divisors is an integer number (88219560).

Almost surely, 2^1028458445 is an apocalyptic number.

It is an amenable number.

1028458445 is a deficient number, since it is larger than the sum of its proper divisors (383054515).

1028458445 is a wasteful number, since it uses less digits than its factorization.

1028458445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22004.

The product of its (nonzero) digits is 204800, while the sum is 41.

The square root of 1028458445 is about 32069.5875402226. The cubic root of 1028458445 is about 1009.3975575989.

The spelling of 1028458445 in words is "one billion, twenty-eight million, four hundred fifty-eight thousand, four hundred forty-five".