1022028545 has 8 divisors (see below), whose sum is σ = 1229910696. Its totient is φ = 815305216.

The previous prime is 1022028523. The next prime is 1022028589. The reversal of 1022028545 is 5458202201.

It can be written as a sum of positive squares in 4 ways, for example, as 306145009 + 715883536 = 17497^2 + 26756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022028545 - 2⁸ = 1022028289 is a prime.

It is a Duffinian 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, 287762 + ... + 291291.

It is an arithmetic number, because the mean of its divisors is an integer number (153738837).

Almost surely, 2^1022028545 is an apocalyptic number.

It is an amenable number.

1022028545 is a deficient number, since it is larger than the sum of its proper divisors (207882151).

1022028545 is an equidigital number, since it uses as much as digits as its factorization.

1022028545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579411.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 1022028545 is about 31969.1811750004. The cubic root of 1022028545 is about 1007.2895812210.

The spelling of 1022028545 in words is "one billion, twenty-two million, twenty-eight thousand, five hundred forty-five".