145686768 has 40 divisors (see below), whose sum is σ = 376809216. Its totient is φ = 48504000.

The previous prime is 145686767. The next prime is 145686773. The reversal of 145686768 is 867686541.

It is a self number, because there is not a number n which added to its sum of digits gives 145686768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145686767) 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, 60793 + ... + 63143.

Almost surely, 2^145686768 is an apocalyptic number.

It is an amenable number.

145686768 is an abundant number, since it is smaller than the sum of its proper divisors (231122448).

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

145686768 is a wasteful number, since it uses less digits than its factorization.

145686768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3647 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 145686768 is about 12070.0773816906. The cubic root of 145686768 is about 526.1869055840.

The spelling of 145686768 in words is "one hundred forty-five million, six hundred eighty-six thousand, seven hundred sixty-eight".