2241766145 has 4 divisors (see below), whose sum is σ = 2690119380. Its totient is φ = 1793412912.

The previous prime is 2241766117. The next prime is 2241766169. The reversal of 2241766145 is 5416671422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5416671422 = 2 ⋅2708335711.

It can be written as a sum of positive squares in 2 ways, for example, as 937400689 + 1304365456 = 30617^2 + 36116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241766145 - 2²⁶ = 2174657281 is a prime.

It is a super-2 number, since 2×2241766145² = 10051030897736322050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2241766099 and 2241766108.

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 3 ways as a sum of consecutive naturals, for example, 224176610 + ... + 224176619.

It is an arithmetic number, because the mean of its divisors is an integer number (672529845).

Almost surely, 2^2241766145 is an apocalyptic number.

It is an amenable number.

2241766145 is a deficient number, since it is larger than the sum of its proper divisors (448353235).

2241766145 is an equidigital number, since it uses as much as digits as its factorization.

2241766145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448353234.

The product of its digits is 80640, while the sum is 38.

The square root of 2241766145 is about 47347.2929004394. The cubic root of 2241766145 is about 1308.7703133445.

The spelling of 2241766145 in words is "two billion, two hundred forty-one million, seven hundred sixty-six thousand, one hundred forty-five".