143442243 has 48 divisors (see below), whose sum is σ = 254592000. Its totient is φ = 75955968.

The previous prime is 143442227. The next prime is 143442251. The reversal of 143442243 is 342244341.

It is a happy number.

143442243 is a `hidden beast` number, since 1 + 434 + 4 + 224 + 3 = 666.

It is not a de Polignac number, because 143442243 - 2⁴ = 143442227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143442203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70758 + ... + 72756.

It is an arithmetic number, because the mean of its divisors is an integer number (5304000).

Almost surely, 2^143442243 is an apocalyptic number.

143442243 is a deficient number, since it is larger than the sum of its proper divisors (111149757).

143442243 is a wasteful number, since it uses less digits than its factorization.

143442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2093 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 143442243 is about 11976.7375774875. The cubic root of 143442243 is about 523.4706732011.

Adding to 143442243 its reverse (342244341), we get a palindrome (485686584).

The spelling of 143442243 in words is "one hundred forty-three million, four hundred forty-two thousand, two hundred forty-three".