168145230146 has 8 divisors (see below), whose sum is σ = 252231818124. Its totient is φ = 84067957440.

The previous prime is 168145230133. The next prime is 168145230193. The reversal of 168145230146 is 641032541861.

It can be written as a sum of positive squares in 2 ways, for example, as 152911499521 + 15233730625 = 391039^2 + 123425^2 .

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

It is a super-3 number, since 3×168145230146³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283515 + ... + 2355998.

Almost surely, 2^168145230146 is an apocalyptic number.

168145230146 is a deficient number, since it is larger than the sum of its proper divisors (84086587978).

168145230146 is a wasteful number, since it uses less digits than its factorization.

168145230146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657636.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 168145230146 in words is "one hundred sixty-eight billion, one hundred forty-five million, two hundred thirty thousand, one hundred forty-six".