2045250133 has 4 divisors (see below), whose sum is σ = 2045959020. Its totient is φ = 2044541248.

The previous prime is 2045250089. The next prime is 2045250149. The reversal of 2045250133 is 3310525402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1105030564 + 940219569 = 33242^2 + 30663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045250133 - 2¹³ = 2045241941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045250098 and 2045250107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045250533) 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, 350098 + ... + 355891.

It is an arithmetic number, because the mean of its divisors is an integer number (511489755).

Almost surely, 2^2045250133 is an apocalyptic number.

It is an amenable number.

2045250133 is a deficient number, since it is larger than the sum of its proper divisors (708887).

2045250133 is an equidigital number, since it uses as much as digits as its factorization.

2045250133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708886.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2045250133 is about 45224.4417654878. The cubic root of 2045250133 is about 1269.3522091616.

Adding to 2045250133 its reverse (3310525402), we get a palindrome (5355775535).

The spelling of 2045250133 in words is "two billion, forty-five million, two hundred fifty thousand, one hundred thirty-three".