143112243 has 16 divisors (see below), whose sum is σ = 195436800. Its totient is φ = 93117024.

The previous prime is 143112209. The next prime is 143112259. The reversal of 143112243 is 342211341.

It is not a de Polignac number, because 143112243 - 2¹³ = 143104051 is a prime.

It is a super-2 number, since 2×143112243² = 40962228192982098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143112743) 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 15 ways as a sum of consecutive naturals, for example, 29380 + ... + 33902.

It is an arithmetic number, because the mean of its divisors is an integer number (12214800).

Almost surely, 2^143112243 is an apocalyptic number.

143112243 is a deficient number, since it is larger than the sum of its proper divisors (52324557).

143112243 is a wasteful number, since it uses less digits than its factorization.

143112243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778.

The product of its digits is 576, while the sum is 21.

The square root of 143112243 is about 11962.9529381336. The cubic root of 143112243 is about 523.0689366799.

Adding to 143112243 its reverse (342211341), we get a palindrome (485323584).

The spelling of 143112243 in words is "one hundred forty-three million, one hundred twelve thousand, two hundred forty-three".