143229 has 4 divisors (see below), whose sum is σ = 190976. Its totient is φ = 95484.

The previous prime is 143197. The next prime is 143239. The reversal of 143229 is 922341.

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.

It is not a de Polignac number, because 143229 - 2⁵ = 143197 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

143229 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143229.

It is not an unprimeable number, because it can be changed into a prime (143239) 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, 23869 + ... + 23874.

It is an arithmetic number, because the mean of its divisors is an integer number (47744).

2¹⁴³²²⁹ is an apocalyptic number.

It is an amenable number.

143229 is a deficient number, since it is larger than the sum of its proper divisors (47747).

143229 is an equidigital number, since it uses as much as digits as its factorization.

143229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47746.

The product of its digits is 432, while the sum is 21.

The square root of 143229 is about 378.4560740694. The cubic root of 143229 is about 52.3211145242.

The spelling of 143229 in words is "one hundred forty-three thousand, two hundred twenty-nine".