146189186 has 16 divisors (see below), whose sum is σ = 257620608. Its totient is φ = 61338000.

The previous prime is 146189159. The next prime is 146189189. The reversal of 146189186 is 681981641.

146189186 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (146189189) by changing a digit.

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, 255290 + ... + 255861.

It is an arithmetic number, because the mean of its divisors is an integer number (16101288).

Almost surely, 2^146189186 is an apocalyptic number.

146189186 is a deficient number, since it is larger than the sum of its proper divisors (111431422).

146189186 is a wasteful number, since it uses less digits than its factorization.

146189186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511177.

The product of its digits is 82944, while the sum is 44.

The square root of 146189186 is about 12090.8720115631. The cubic root of 146189186 is about 526.7910841204.

The spelling of 146189186 in words is "one hundred forty-six million, one hundred eighty-nine thousand, one hundred eighty-six".