68443146 has 24 divisors (see below), whose sum is σ = 148489380. Its totient is φ = 22784256.

The previous prime is 68443097. The next prime is 68443189. The reversal of 68443146 is 64134486.

It can be written as a sum of positive squares in 2 ways, for example, as 59675625 + 8767521 = 7725^2 + 2961^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68443146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14676 + ... + 18768.

Almost surely, 2^68443146 is an apocalyptic number.

68443146 is an abundant number, since it is smaller than the sum of its proper divisors (80046234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68443146 is a wasteful number, since it uses less digits than its factorization.

68443146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030 (or 5027 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 68443146 is about 8273.0372898954. The cubic root of 68443146 is about 409.0502426108.

The spelling of 68443146 in words is "sixty-eight million, four hundred forty-three thousand, one hundred forty-six".