146168210 has 32 divisors (see below), whose sum is σ = 281370672. Its totient is φ = 54476800.

The previous prime is 146168203. The next prime is 146168213. The reversal of 146168210 is 12861641.

It can be written as a sum of positive squares in 8 ways, for example, as 144744961 + 1423249 = 12031^2 + 1193^2 .

It is a super-2 number, since 2×146168210² = 42730291229208200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146168213) 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 15 ways as a sum of consecutive naturals, for example, 12914 + ... + 21426.

Almost surely, 2^146168210 is an apocalyptic number.

146168210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146168210 is a deficient number, since it is larger than the sum of its proper divisors (135202462).

146168210 is a wasteful number, since it uses less digits than its factorization.

146168210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 146168210 is about 12090.0045492134. The cubic root of 146168210 is about 526.7658873221.

The spelling of 146168210 in words is "one hundred forty-six million, one hundred sixty-eight thousand, two hundred ten".