185375145 has 16 divisors (see below), whose sum is σ = 303835392. Its totient is φ = 96455040.

The previous prime is 185375137. The next prime is 185375161. The reversal of 185375145 is 541573581.

It is not a de Polignac number, because 185375145 - 2³ = 185375137 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 150097 + ... + 151326.

It is an arithmetic number, because the mean of its divisors is an integer number (18989712).

Almost surely, 2^185375145 is an apocalyptic number.

185375145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

185375145 is a deficient number, since it is larger than the sum of its proper divisors (118460247).

185375145 is a wasteful number, since it uses less digits than its factorization.

185375145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301472.

The product of its digits is 84000, while the sum is 39.

The square root of 185375145 is about 13615.2541291009. The cubic root of 185375145 is about 570.1868116517.

The spelling of 185375145 in words is "one hundred eighty-five million, three hundred seventy-five thousand, one hundred forty-five".