143424605 has 4 divisors (see below), whose sum is σ = 172109532. Its totient is φ = 114739680.

The previous prime is 143424571. The next prime is 143424607. The reversal of 143424605 is 506424341.

143424605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506424341 = 883 ⋅573527.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 123165604 = 4501^2 + 11098^2 .

It is not a de Polignac number, because 143424605 - 2⁸ = 143424349 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 (143424607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342456 + ... + 14342465.

It is an arithmetic number, because the mean of its divisors is an integer number (43027383).

Almost surely, 2^143424605 is an apocalyptic number.

It is an amenable number.

143424605 is a deficient number, since it is larger than the sum of its proper divisors (28684927).

143424605 is an equidigital number, since it uses as much as digits as its factorization.

143424605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28684926.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 143424605 is about 11976.0012107548. The cubic root of 143424605 is about 523.4492165878.

Subtracting from 143424605 its sum of digits (29), we obtain a square (143424576 = 11976²).

Adding to 143424605 its reverse (506424341), we get a palindrome (649848946).

The spelling of 143424605 in words is "one hundred forty-three million, four hundred twenty-four thousand, six hundred five".