2241155645 has 8 divisors (see below), whose sum is σ = 2847586104. Its totient is φ = 1687458304.

The previous prime is 2241155639. The next prime is 2241155647. The reversal of 2241155645 is 5465511422.

It can be written as a sum of positive squares in 4 ways, for example, as 46607929 + 2194547716 = 6827^2 + 46846^2 .

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 2241155645 - 2⁴ = 2241155629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241155647) 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, 13183184 + ... + 13183353.

It is an arithmetic number, because the mean of its divisors is an integer number (355948263).

Almost surely, 2^2241155645 is an apocalyptic number.

It is an amenable number.

2241155645 is a deficient number, since it is larger than the sum of its proper divisors (606430459).

2241155645 is a wasteful number, since it uses less digits than its factorization.

2241155645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26366559.

The product of its digits is 48000, while the sum is 35.

The square root of 2241155645 is about 47340.8454191515. The cubic root of 2241155645 is about 1308.6514967855.

The spelling of 2241155645 in words is "two billion, two hundred forty-one million, one hundred fifty-five thousand, six hundred forty-five".