9045192505 has 4 divisors (see below), whose sum is σ = 10854231012. Its totient is φ = 7236154000.

The previous prime is 9045192503. The next prime is 9045192523. The reversal of 9045192505 is 5052915409.

9045192505 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1185838096 + 7859354409 = 34436^2 + 88653^2 .

It is not a de Polignac number, because 9045192505 - 2¹ = 9045192503 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9045192503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 904519246 + ... + 904519255.

It is an arithmetic number, because the mean of its divisors is an integer number (2713557753).

Almost surely, 2^9045192505 is an apocalyptic number.

It is an amenable number.

9045192505 is a deficient number, since it is larger than the sum of its proper divisors (1809038507).

9045192505 is a wasteful number, since it uses less digits than its factorization.

9045192505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809038506.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 9045192505 is about 95106.2169629305. The cubic root of 9045192505 is about 2083.5596486871.

The spelling of 9045192505 in words is "nine billion, forty-five million, one hundred ninety-two thousand, five hundred five".