143022131 has 12 divisors (see below), whose sum is σ = 170871408. Its totient is φ = 119275632.

The previous prime is 143022091. The next prime is 143022149. The reversal of 143022131 is 131220341.

It is not a de Polignac number, because 143022131 - 2⁶ = 143022067 is a prime.

It is a super-2 number, since 2×143022131² = 40910659911562322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143022151) 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 11 ways as a sum of consecutive naturals, for example, 37631 + ... + 41256.

It is an arithmetic number, because the mean of its divisors is an integer number (14239284).

Almost surely, 2^143022131 is an apocalyptic number.

143022131 is a deficient number, since it is larger than the sum of its proper divisors (27849277).

143022131 is an equidigital number, since it uses as much as digits as its factorization.

143022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78938 (or 78931 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 143022131 is about 11959.1860508983. The cubic root of 143022131 is about 522.9591285008.

Adding to 143022131 its reverse (131220341), we get a palindrome (274242472).

The spelling of 143022131 in words is "one hundred forty-three million, twenty-two thousand, one hundred thirty-one".