2290723045 has 8 divisors (see below), whose sum is σ = 2960319096. Its totient is φ = 1691610816.

The previous prime is 2290723033. The next prime is 2290723067. The reversal of 2290723045 is 5403270922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105534529 + 2185188516 = 10273^2 + 46746^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290723045 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2290723045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17620882 + ... + 17621011.

It is an arithmetic number, because the mean of its divisors is an integer number (370039887).

Almost surely, 2^2290723045 is an apocalyptic number.

It is an amenable number.

2290723045 is a deficient number, since it is larger than the sum of its proper divisors (669596051).

2290723045 is a wasteful number, since it uses less digits than its factorization.

2290723045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35241911.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2290723045 is about 47861.4985661753. The cubic root of 2290723045 is about 1318.2290002778.

Adding to 2290723045 its reverse (5403270922), we get a palindrome (7693993967).

The spelling of 2290723045 in words is "two billion, two hundred ninety million, seven hundred twenty-three thousand, forty-five".