145128 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 48368.

The previous prime is 145121. The next prime is 145133. The reversal of 145128 is 821541.

145128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145121) by changing a digit.

145128 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 in 3 ways as a sum of consecutive naturals, for example, 3000 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2¹⁴⁵¹²⁸ is an apocalyptic number.

It is an amenable number.

145128 is an abundant number, since it is smaller than the sum of its proper divisors (217752).

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

145128 is a wasteful number, since it uses less digits than its factorization.

145128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056 (or 6052 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 145128 is about 380.9566904518. The cubic root of 145128 is about 52.5513330116.

Adding to 145128 its reverse (821541), we get a palindrome (966669).

The spelling of 145128 in words is "one hundred forty-five thousand, one hundred twenty-eight".