143950229 has 4 divisors (see below), whose sum is σ = 148914060. Its totient is φ = 138986400.

The previous prime is 143950217. The next prime is 143950243. The reversal of 143950229 is 922059341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45900625 + 98049604 = 6775^2 + 9902^2 .

It is a cyclic number.

It is not a de Polignac number, because 143950229 - 2²⁰ = 142901653 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 (143950249) 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, 2481872 + ... + 2481929.

It is an arithmetic number, because the mean of its divisors is an integer number (37228515).

Almost surely, 2^143950229 is an apocalyptic number.

It is an amenable number.

143950229 is a deficient number, since it is larger than the sum of its proper divisors (4963831).

143950229 is an equidigital number, since it uses as much as digits as its factorization.

143950229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963830.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 143950229 is about 11997.9260291102. The cubic root of 143950229 is about 524.0878844202.

The spelling of 143950229 in words is "one hundred forty-three million, nine hundred fifty thousand, two hundred twenty-nine".