143232445 has 4 divisors (see below), whose sum is σ = 171878940. Its totient is φ = 114585952.

The previous prime is 143232413. The next prime is 143232457. The reversal of 143232445 is 544232341.

It is a happy number.

143232445 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.

It can be written as a sum of positive squares in 2 ways, for example, as 16467364 + 126765081 = 4058^2 + 11259^2 .

It is a cyclic number.

It is not a de Polignac number, because 143232445 - 2⁵ = 143232413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14323240 + ... + 14323249.

It is an arithmetic number, because the mean of its divisors is an integer number (42969735).

Almost surely, 2^143232445 is an apocalyptic number.

It is an amenable number.

143232445 is a deficient number, since it is larger than the sum of its proper divisors (28646495).

143232445 is an equidigital number, since it uses as much as digits as its factorization.

143232445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646494.

The product of its digits is 11520, while the sum is 28.

The square root of 143232445 is about 11967.9758104702. The cubic root of 143232445 is about 523.2153400351.

Adding to 143232445 its reverse (544232341), we get a palindrome (687464786).

The spelling of 143232445 in words is "one hundred forty-three million, two hundred thirty-two thousand, four hundred forty-five".