146146181 has 8 divisors (see below), whose sum is σ = 149905728. Its totient is φ = 142396000.

The previous prime is 146146159. The next prime is 146146199. The reversal of 146146181 is 181641641.

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

It is a cyclic number.

It is not a de Polignac number, because 146146181 - 2²² = 141951877 is a prime.

It is a super-2 number, since 2×146146181² = 42717412441769522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146146381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37976 + ... + 41646.

It is an arithmetic number, because the mean of its divisors is an integer number (18738216).

Almost surely, 2^146146181 is an apocalyptic number.

It is an amenable number.

146146181 is a deficient number, since it is larger than the sum of its proper divisors (3759547).

146146181 is an equidigital number, since it uses as much as digits as its factorization.

146146181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683.

The product of its digits is 4608, while the sum is 32.

The square root of 146146181 is about 12089.0934730442. The cubic root of 146146181 is about 526.7394230434.

The spelling of 146146181 in words is "one hundred forty-six million, one hundred forty-six thousand, one hundred eighty-one".