2280804145 has 8 divisors (see below), whose sum is σ = 2737685160. Its totient is φ = 1824163200.

The previous prime is 2280804143. The next prime is 2280804193. The reversal of 2280804145 is 5414080822.

It can be written as a sum of positive squares in 4 ways, for example, as 99540529 + 2181263616 = 9977^2 + 46704^2 .

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

It is not a de Polignac number, because 2280804145 - 2¹ = 2280804143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2280804145.

It is not an unprimeable number, because it can be changed into a prime (2280804143) 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 7 ways as a sum of consecutive naturals, for example, 38406 + ... + 77695.

It is an arithmetic number, because the mean of its divisors is an integer number (342210645).

Almost surely, 2^2280804145 is an apocalyptic number.

It is an amenable number.

2280804145 is a deficient number, since it is larger than the sum of its proper divisors (456881015).

2280804145 is a wasteful number, since it uses less digits than its factorization.

2280804145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120035.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2280804145 is about 47757.7652848204. The cubic root of 2280804145 is about 1316.3235903309.

Adding to 2280804145 its reverse (5414080822), we get a palindrome (7694884967).

The spelling of 2280804145 in words is "two billion, two hundred eighty million, eight hundred four thousand, one hundred forty-five".