145671183 has 48 divisors (see below), whose sum is σ = 253935360. Its totient is φ = 80847072.

The previous prime is 145671161. The next prime is 145671187. The reversal of 145671183 is 381176541.

145671183 is a `hidden beast` number, since 1 + 4 + 567 + 11 + 83 = 666.

It is not a de Polignac number, because 145671183 - 2¹⁰ = 145670159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145671187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258460 + ... + 259022.

It is an arithmetic number, because the mean of its divisors is an integer number (5290320).

Almost surely, 2^145671183 is an apocalyptic number.

145671183 is a deficient number, since it is larger than the sum of its proper divisors (108264177).

145671183 is an equidigital number, since it uses as much as digits as its factorization.

145671183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 610 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 145671183 is about 12069.4317596149. The cubic root of 145671183 is about 526.1681417766.

The spelling of 145671183 in words is "one hundred forty-five million, six hundred seventy-one thousand, one hundred eighty-three".