185150449 has 9 divisors (see below), whose sum is σ = 203677131. Its totient is φ = 168182520.

The previous prime is 185150447. The next prime is 185150453. The reversal of 185150449 is 944051581.

The square root of 185150449 is 13607.

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

185150449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139830625 + 45319824 = 11825^2 + 6732^2 .

It is not a de Polignac number, because 185150449 - 2¹ = 185150447 is a prime.

It is a Duffinian number.

185150449 is a Rhonda number in base 15.

It is not an unprimeable number, because it can be changed into a prime (185150443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 149059 + ... + 150295.

Almost surely, 2^185150449 is an apocalyptic number.

185150449 is the 13607-th square number.

185150449 is the 6804-th centered octagonal number.

It is an amenable number.

185150449 is a deficient number, since it is larger than the sum of its proper divisors (18526682).

185150449 is an frugal number, since it uses more digits than its factorization.

185150449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The cubic root of 185150449 is about 569.9563411723.

The spelling of 185150449 in words is "one hundred eighty-five million, one hundred fifty thousand, four hundred forty-nine".