143042331 has 8 divisors (see below), whose sum is σ = 191556880. Its totient is φ = 94944672.

The previous prime is 143042329. The next prime is 143042353. The reversal of 143042331 is 133240341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143042331 - 2¹ = 143042329 is a prime.

It is a super-2 number, since 2×143042331² = 40922216915827122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143042298 and 143042307.

It is not an unprimeable number, because it can be changed into a prime (143002331) 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 7 ways as a sum of consecutive naturals, for example, 103420 + ... + 104793.

It is an arithmetic number, because the mean of its divisors is an integer number (23944610).

Almost surely, 2^143042331 is an apocalyptic number.

143042331 is a deficient number, since it is larger than the sum of its proper divisors (48514549).

143042331 is a wasteful number, since it uses less digits than its factorization.

143042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208445.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143042331 is about 11960.0305601616. The cubic root of 143042331 is about 522.9837477142.

Adding to 143042331 its reverse (133240341), we get a palindrome (276282672).

The spelling of 143042331 in words is "one hundred forty-three million, forty-two thousand, three hundred thirty-one".