184406645 has 6 divisors (see below), whose sum is σ = 221324418. Its totient is φ = 147501024.

The previous prime is 184406623. The next prime is 184406653. The reversal of 184406645 is 546604481.

It can be written as a sum of positive squares in 3 ways, for example, as 94517284 + 89889361 = 9722^2 + 9481^2 .

It is not a de Polignac number, because 184406645 - 2¹⁸ = 184144501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 184406599 and 184406608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27329 + ... + 33401.

It is an arithmetic number, because the mean of its divisors is an integer number (36887403).

Almost surely, 2^184406645 is an apocalyptic number.

It is an amenable number.

184406645 is a deficient number, since it is larger than the sum of its proper divisors (36917773).

184406645 is an frugal number, since it uses more digits than its factorization.

184406645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 184406645 is about 13579.6408273562. The cubic root of 184406645 is about 569.1920892341.

The spelling of 184406645 in words is "one hundred eighty-four million, four hundred six thousand, six hundred forty-five".