185053385 has 8 divisors (see below), whose sum is σ = 242251776. Its totient is φ = 134584240.

The previous prime is 185053367. The next prime is 185053447. The reversal of 185053385 is 583350581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-185053385 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1682249 + ... + 1682358.

It is an arithmetic number, because the mean of its divisors is an integer number (30281472).

Almost surely, 2^185053385 is an apocalyptic number.

It is an amenable number.

185053385 is a deficient number, since it is larger than the sum of its proper divisors (57198391).

185053385 is a wasteful number, since it uses less digits than its factorization.

185053385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364623.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 185053385 is about 13603.4328388095. The cubic root of 185053385 is about 569.8567250442.

The spelling of 185053385 in words is "one hundred eighty-five million, fifty-three thousand, three hundred eighty-five".