8145044245 has 8 divisors (see below), whose sum is σ = 10525903416. Its totient is φ = 6014801856.

The previous prime is 8145044183. The next prime is 8145044249. The reversal of 8145044245 is 5424405418.

It can be written as a sum of positive squares in 4 ways, for example, as 617920164 + 7527124081 = 24858^2 + 86759^2 .

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 8145044245 - 2¹¹ = 8145042197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145044249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62654122 + ... + 62654251.

It is an arithmetic number, because the mean of its divisors is an integer number (1315737927).

Almost surely, 2^8145044245 is an apocalyptic number.

It is an amenable number.

8145044245 is a deficient number, since it is larger than the sum of its proper divisors (2380859171).

8145044245 is a wasteful number, since it uses less digits than its factorization.

8145044245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125308391.

The product of its (nonzero) digits is 102400, while the sum is 37.

The square root of 8145044245 is about 90249.8988642093. The cubic root of 8145044245 is about 2012.0146993862.

The spelling of 8145044245 in words is "eight billion, one hundred forty-five million, forty-four thousand, two hundred forty-five".