143211413 has 8 divisors (see below), whose sum is σ = 149495040. Its totient is φ = 137031840.

The previous prime is 143211403. The next prime is 143211421. The reversal of 143211413 is 314112341.

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

It is a cyclic number.

It is not a de Polignac number, because 143211413 - 2²⁶ = 76102549 is a prime.

It is a super-3 number, since 3×143211413³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143211403) 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, 23195 + ... + 28712.

It is an arithmetic number, because the mean of its divisors is an integer number (18686880).

Almost surely, 2^143211413 is an apocalyptic number.

It is an amenable number.

143211413 is a deficient number, since it is larger than the sum of its proper divisors (6283627).

143211413 is an equidigital number, since it uses as much as digits as its factorization.

143211413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52027.

The product of its digits is 288, while the sum is 20.

The square root of 143211413 is about 11967.0970999654. The cubic root of 143211413 is about 523.1897294418.

Adding to 143211413 its reverse (314112341), we get a palindrome (457323754).

The spelling of 143211413 in words is "one hundred forty-three million, two hundred eleven thousand, four hundred thirteen".