184543272225 has 81 divisors (see below), whose sum is σ = 358081853337. Its totient is φ = 90810832320.

The previous prime is 184543272223. The next prime is 184543272269. The reversal of 184543272225 is 522272345481.

The square root of 184543272225 is 429585.

It is a perfect power (a square), and thus also a powerful number.

184543272225 is a `hidden beast` number, since 1 + 84 + 543 + 2 + 7 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47566301409 + 136976970816 = 218097^2 + 370104^2 .

It is not a de Polignac number, because 184543272225 - 2¹ = 184543272223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (184543272223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 83767974 + ... + 83770176.

Almost surely, 2^184543272225 is an apocalyptic number.

184543272225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

184543272225 is the 429585-th square number.

184543272225 is the 214793-rd centered octagonal number.

It is an amenable number.

184543272225 is a deficient number, since it is larger than the sum of its proper divisors (173538581112).

184543272225 is an equidigital number, since it uses as much as digits as its factorization.

184543272225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 2224 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The spelling of 184543272225 in words is "one hundred eighty-four billion, five hundred forty-three million, two hundred seventy-two thousand, two hundred twenty-five".