145830 has 16 divisors (see below), whose sum is σ = 350064. Its totient is φ = 38880.

The previous prime is 145829. The next prime is 145861. The reversal of 145830 is 38541.

145830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145797 and 145806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (21879).

2¹⁴⁵⁸³⁰ is an apocalyptic number.

145830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145830 is an abundant number, since it is smaller than the sum of its proper divisors (204234).

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

145830 is a wasteful number, since it uses less digits than its factorization.

145830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145830 is about 381.8769435302. The cubic root of 145830 is about 52.6359289387.

The spelling of 145830 in words is "one hundred forty-five thousand, eight hundred thirty".