143040621 has 8 divisors (see below), whose sum is σ = 190777024. Its totient is φ = 95332320.

The previous prime is 143040619. The next prime is 143040629. The reversal of 143040621 is 126040341.

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

It is not a de Polignac number, because 143040621 - 2¹ = 143040619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143040629) 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 7 ways as a sum of consecutive naturals, for example, 13056 + ... + 21366.

It is an arithmetic number, because the mean of its divisors is an integer number (23847128).

Almost surely, 2^143040621 is an apocalyptic number.

It is an amenable number.

143040621 is a deficient number, since it is larger than the sum of its proper divisors (47736403).

143040621 is an equidigital number, since it uses as much as digits as its factorization.

143040621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051.

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

The square root of 143040621 is about 11959.9590718363. The cubic root of 143040621 is about 522.9816637023.

Adding to 143040621 its reverse (126040341), we get a palindrome (269080962).

The spelling of 143040621 in words is "one hundred forty-three million, forty thousand, six hundred twenty-one".