2299444145 has 4 divisors (see below), whose sum is σ = 2759332980. Its totient is φ = 1839555312.

The previous prime is 2299444117. The next prime is 2299444151. The reversal of 2299444145 is 5414449922.

2299444145 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 1102837681 + 1196606464 = 33209^2 + 34592^2 .

It is a cyclic number.

It is not a de Polignac number, because 2299444145 - 2⁸ = 2299443889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2299444096 and 2299444105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229944410 + ... + 229944419.

It is an arithmetic number, because the mean of its divisors is an integer number (689833245).

Almost surely, 2^2299444145 is an apocalyptic number.

It is an amenable number.

2299444145 is a deficient number, since it is larger than the sum of its proper divisors (459888835).

2299444145 is an equidigital number, since it uses as much as digits as its factorization.

2299444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459888834.

The product of its digits is 414720, while the sum is 44.

The square root of 2299444145 is about 47952.5196939639. The cubic root of 2299444145 is about 1319.8997752569.

The spelling of 2299444145 in words is "two billion, two hundred ninety-nine million, four hundred forty-four thousand, one hundred forty-five".