143320041 has 12 divisors (see below), whose sum is σ = 207121668. Its totient is φ = 95498784.

The previous prime is 143320039. The next prime is 143320069. The reversal of 143320041 is 140023341.

143320041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 129481641 + 13838400 = 11379^2 + 3720^2 .

It is not a de Polignac number, because 143320041 - 2¹ = 143320039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143319996 and 143320023.

It is not an unprimeable number, because it can be changed into a prime (143320031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32611 + ... + 36743.

It is an arithmetic number, because the mean of its divisors is an integer number (17260139).

Almost surely, 2^143320041 is an apocalyptic number.

It is an amenable number.

143320041 is a deficient number, since it is larger than the sum of its proper divisors (63801627).

143320041 is a wasteful number, since it uses less digits than its factorization.

143320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992 (or 7989 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143320041 is about 11971.6348507629. The cubic root of 143320041 is about 523.3219784230.

Adding to 143320041 its reverse (140023341), we get a palindrome (283343382).

The spelling of 143320041 in words is "one hundred forty-three million, three hundred twenty thousand, forty-one".