145183 has 4 divisors (see below), whose sum is σ = 148320. Its totient is φ = 142048.

The previous prime is 145177. The next prime is 145193. The reversal of 145183 is 381541.

145183 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145183 - 2⁹ = 144671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1498 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (37080).

2¹⁴⁵¹⁸³ is an apocalyptic number.

145183 is a deficient number, since it is larger than the sum of its proper divisors (3137).

145183 is an equidigital number, since it uses as much as digits as its factorization.

145183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its digits is 480, while the sum is 22.

The square root of 145183 is about 381.0288702973. The cubic root of 145183 is about 52.5579707344.

Subtracting from 145183 its sum of digits (22), we obtain a square (145161 = 381²).

The spelling of 145183 in words is "one hundred forty-five thousand, one hundred eighty-three".