185085245 has 4 divisors (see below), whose sum is σ = 222102300. Its totient is φ = 148068192.

The previous prime is 185085233. The next prime is 185085247. The reversal of 185085245 is 542580581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542580581 = 17401 ⋅31181.

It can be written as a sum of positive squares in 2 ways, for example, as 126990361 + 58094884 = 11269^2 + 7622^2 .

It is a cyclic number.

It is not a de Polignac number, because 185085245 - 2²⁰ = 184036669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185085199 and 185085208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185085247) 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 3 ways as a sum of consecutive naturals, for example, 18508520 + ... + 18508529.

It is an arithmetic number, because the mean of its divisors is an integer number (55525575).

Almost surely, 2^185085245 is an apocalyptic number.

It is an amenable number.

185085245 is a deficient number, since it is larger than the sum of its proper divisors (37017055).

185085245 is an equidigital number, since it uses as much as digits as its factorization.

185085245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37017054.

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 185085245 is about 13604.6038163557. The cubic root of 185085245 is about 569.8894265867.

The spelling of 185085245 in words is "one hundred eighty-five million, eighty-five thousand, two hundred forty-five".