145585143 has 36 divisors (see below), whose sum is σ = 236596360. Its totient is φ = 86153760.

The previous prime is 145585129. The next prime is 145585159. The reversal of 145585143 is 341585541.

145585143 is a `hidden beast` number, since 14 + 558 + 51 + 43 = 666.

It is not a de Polignac number, because 145585143 - 2⁶ = 145585079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145585098 and 145585107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145585123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45273 + ... + 48381.

Almost surely, 2^145585143 is an apocalyptic number.

145585143 is a deficient number, since it is larger than the sum of its proper divisors (91011217).

145585143 is a wasteful number, since it uses less digits than its factorization.

145585143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3166 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 145585143 is about 12065.8668565503. The cubic root of 145585143 is about 526.0645284606.

It can be divided in two parts, 14558 and 5143, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 145585143 in words is "one hundred forty-five million, five hundred eighty-five thousand, one hundred forty-three".