143430213 has 4 divisors (see below), whose sum is σ = 191240288. Its totient is φ = 95620140.

The previous prime is 143430191. The next prime is 143430223. The reversal of 143430213 is 312034341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312034341 = 3 ⋅104011447.

It is not a de Polignac number, because 143430213 - 2⁹ = 143429701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143430213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143430223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23905033 + ... + 23905038.

It is an arithmetic number, because the mean of its divisors is an integer number (47810072).

Almost surely, 2^143430213 is an apocalyptic number.

It is an amenable number.

143430213 is a deficient number, since it is larger than the sum of its proper divisors (47810075).

143430213 is an equidigital number, since it uses as much as digits as its factorization.

143430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47810074.

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

The square root of 143430213 is about 11976.2353433790. The cubic root of 143430213 is about 523.4560389062.

Adding to 143430213 its reverse (312034341), we get a palindrome (455464554).

The spelling of 143430213 in words is "one hundred forty-three million, four hundred thirty thousand, two hundred thirteen".