114778161 has 8 divisors (see below), whose sum is σ = 170041760. Its totient is φ = 76518756.

The previous prime is 114778159. The next prime is 114778177. The reversal of 114778161 is 161877411.

It is not a de Polignac number, because 114778161 - 2¹ = 114778159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (114778141) by changing a digit.

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, 2125495 + ... + 2125548.

It is an arithmetic number, because the mean of its divisors is an integer number (21255220).

Almost surely, 2^114778161 is an apocalyptic number.

It is an amenable number.

114778161 is a deficient number, since it is larger than the sum of its proper divisors (55263599).

114778161 is an equidigital number, since it uses as much as digits as its factorization.

114778161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251052 (or 4251046 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 114778161 is about 10713.4570050941. The cubic root of 114778161 is about 485.9815188827.

The spelling of 114778161 in words is "one hundred fourteen million, seven hundred seventy-eight thousand, one hundred sixty-one".