4549045161 has 16 divisors (see below), whose sum is σ = 6273671040. Its totient is φ = 2929994880.

The previous prime is 4549045157. The next prime is 4549045231. The reversal of 4549045161 is 1615409454.

It is not a de Polignac number, because 4549045161 - 2² = 4549045157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4549045141) 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 15 ways as a sum of consecutive naturals, for example, 166866 + ... + 192203.

It is an arithmetic number, because the mean of its divisors is an integer number (392104440).

Almost surely, 2^4549045161 is an apocalyptic number.

4549045161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4549045161 is a deficient number, since it is larger than the sum of its proper divisors (1724625879).

4549045161 is a wasteful number, since it uses less digits than its factorization.

4549045161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359216.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 4549045161 is about 67446.6097072344. The cubic root of 4549045161 is about 1656.9398745712.

The spelling of 4549045161 in words is "four billion, five hundred forty-nine million, forty-five thousand, one hundred sixty-one".