1045545133 has 4 divisors (see below), whose sum is σ = 1049613660. Its totient is φ = 1041476608.

The previous prime is 1045545097. The next prime is 1045545139. The reversal of 1045545133 is 3315455401.

1045545133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3315455401 = 5039 ⋅657959.

It can be written as a sum of positive squares in 2 ways, for example, as 709849449 + 335695684 = 26643^2 + 18322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045545133 - 2¹⁷ = 1045414061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045545095 and 1045545104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045545139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033878 + ... + 2034391.

It is an arithmetic number, because the mean of its divisors is an integer number (262403415).

Almost surely, 2^1045545133 is an apocalyptic number.

It is an amenable number.

1045545133 is a deficient number, since it is larger than the sum of its proper divisors (4068527).

1045545133 is an equidigital number, since it uses as much as digits as its factorization.

1045545133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068526.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1045545133 is about 32334.8903353637. The cubic root of 1045545133 is about 1014.9568871979.

The spelling of 1045545133 in words is "one billion, forty-five million, five hundred forty-five thousand, one hundred thirty-three".