68145200 has 30 divisors (see below), whose sum is σ = 163719804. Its totient is φ = 27257920.

The previous prime is 68145149. The next prime is 68145211. The reversal of 68145200 is 254186.

It is a self number, because there is not a number n which added to its sum of digits gives 68145200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84782 + ... + 85581.

Almost surely, 2^68145200 is an apocalyptic number.

It is an amenable number.

68145200 is an abundant number, since it is smaller than the sum of its proper divisors (95574604).

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

68145200 is a wasteful number, since it uses less digits than its factorization.

68145200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170381 (or 170370 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 68145200 is about 8255.0105996298. The cubic root of 68145200 is about 408.4558214607.

Adding to 68145200 its reverse (254186), we get a palindrome (68399386).

The spelling of 68145200 in words is "sixty-eight million, one hundred forty-five thousand, two hundred".