185050945 has 4 divisors (see below), whose sum is σ = 222061140. Its totient is φ = 148040752.

The previous prime is 185050927. The next prime is 185050951. The reversal of 185050945 is 549050581.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37015056 + 148035889 = 6084^2 + 12167^2 .

It is a cyclic number.

It is not a de Polignac number, because 185050945 - 2⁵ = 185050913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 18505090 + ... + 18505099.

It is an arithmetic number, because the mean of its divisors is an integer number (55515285).

Almost surely, 2^185050945 is an apocalyptic number.

It is an amenable number.

185050945 is a deficient number, since it is larger than the sum of its proper divisors (37010195).

185050945 is an equidigital number, since it uses as much as digits as its factorization.

185050945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010194.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 185050945 is about 13603.3431552689. The cubic root of 185050945 is about 569.8542204399.

The spelling of 185050945 in words is "one hundred eighty-five million, fifty thousand, nine hundred forty-five".