143142233 has 16 divisors (see below), whose sum is σ = 160366080. Its totient is φ = 126899136.

The previous prime is 143142211. The next prime is 143142253. The reversal of 143142233 is 332241341.

It is not a de Polignac number, because 143142233 - 2⁶ = 143142169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143142199 and 143142208.

It is not an unprimeable number, because it can be changed into a prime (143142203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36116 + ... + 39882.

It is an arithmetic number, because the mean of its divisors is an integer number (10022880).

Almost surely, 2^143142233 is an apocalyptic number.

143142233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143142233 is a deficient number, since it is larger than the sum of its proper divisors (17223847).

143142233 is a wasteful number, since it uses less digits than its factorization.

143142233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896.

The product of its digits is 1728, while the sum is 23.

The square root of 143142233 is about 11964.2063255362. The cubic root of 143142233 is about 523.1054715038.

Adding to 143142233 its reverse (332241341), we get a palindrome (475383574).

The spelling of 143142233 in words is "one hundred forty-three million, one hundred forty-two thousand, two hundred thirty-three".