183030 has 16 divisors (see below), whose sum is σ = 439344. Its totient is φ = 48800.

The previous prime is 183023. The next prime is 183037. The reversal of 183030 is 30381.

It is an interprime number because it is at equal distance from previous prime (183023) and next prime (183037).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183037) by changing a digit.

183030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3021 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (27459).

2¹⁸³⁰³⁰ is an apocalyptic number.

183030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

183030 is an abundant number, since it is smaller than the sum of its proper divisors (256314).

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

183030 is a wasteful number, since it uses less digits than its factorization.

183030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 183030 is about 427.8200556309. The cubic root of 183030 is about 56.7772159495. Note that the first 3 decimals are identical.

The spelling of 183030 in words is "one hundred eighty-three thousand, thirty".