145682568 has 24 divisors (see below), whose sum is σ = 394557150. Its totient is φ = 48560832.

The previous prime is 145682567. The next prime is 145682683. The reversal of 145682568 is 865286541.

145682568 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 82 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 134513604 + 11168964 = 11598^2 + 3342^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (145682561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1011613 + ... + 1011756.

Almost surely, 2^145682568 is an apocalyptic number.

145682568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145682568 is an abundant number, since it is smaller than the sum of its proper divisors (248874582).

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

145682568 is a wasteful number, since it uses less digits than its factorization.

145682568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023381 (or 2023374 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 145682568 is about 12069.9033964651. The cubic root of 145682568 is about 526.1818490593.

The spelling of 145682568 in words is "one hundred forty-five million, six hundred eighty-two thousand, five hundred sixty-eight".