145868 has 6 divisors (see below), whose sum is σ = 255276. Its totient is φ = 72932.

The previous prime is 145861. The next prime is 145879. The reversal of 145868 is 868541.

145868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145868.

It is not an unprimeable number, because it can be changed into a prime (145861) by changing a digit.

145868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18230 + ... + 18237.

It is an arithmetic number, because the mean of its divisors is an integer number (42546).

2¹⁴⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

145868 is a deficient number, since it is larger than the sum of its proper divisors (109408).

145868 is a wasteful number, since it uses less digits than its factorization.

145868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36471 (or 36469 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 145868 is about 381.9266945371. The cubic root of 145868 is about 52.6405004526.

The spelling of 145868 in words is "one hundred forty-five thousand, eight hundred sixty-eight".