185145 has 8 divisors (see below), whose sum is σ = 296256. Its totient is φ = 98736.

The previous prime is 185137. The next prime is 185149. The reversal of 185145 is 541581.

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

It is not a de Polignac number, because 185145 - 2³ = 185137 is a prime.

185145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (185149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6157 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (37032).

2¹⁸⁵¹⁴⁵ is an apocalyptic number.

185145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

185145 is a deficient number, since it is larger than the sum of its proper divisors (111111).

185145 is a wasteful number, since it uses less digits than its factorization.

185145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12351.

The product of its digits is 800, while the sum is 24.

The square root of 185145 is about 430.2847894128. The cubic root of 185145 is about 56.9950749823.

The spelling of 185145 in words is "one hundred eighty-five thousand, one hundred forty-five".