184605481 has 2 divisors, whose sum is σ = 184605482. Its totient is φ = 184605480.

The previous prime is 184605461. The next prime is 184605523. The reversal of 184605481 is 184506481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154256400 + 30349081 = 12420^2 + 5509^2 .

It is an emirp because it is prime and its reverse (184506481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 184605481 - 2⁷ = 184605353 is a prime.

It is a super-2 number, since 2×184605481² = 68158367230482722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 184605481.

It is not a weakly prime, because it can be changed into another prime (184605401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92302740 + 92302741.

It is an arithmetic number, because the mean of its divisors is an integer number (92302741).

Almost surely, 2^184605481 is an apocalyptic number.

It is an amenable number.

184605481 is a deficient number, since it is larger than the sum of its proper divisors (1).

184605481 is an equidigital number, since it uses as much as digits as its factorization.

184605481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 184605481 is about 13586.9599616691. The cubic root of 184605481 is about 569.3965923950.

The spelling of 184605481 in words is "one hundred eighty-four million, six hundred five thousand, four hundred eighty-one".