143421202 has 8 divisors (see below), whose sum is σ = 218079036. Its totient is φ = 70728192.

The previous prime is 143421199. The next prime is 143421203. The reversal of 143421202 is 202124341.

It can be written as a sum of positive squares in 2 ways, for example, as 120582361 + 22838841 = 10981^2 + 4779^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 143421202.

It is not an unprimeable number, because it can be changed into a prime (143421203) 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, 491023 + ... + 491314.

Almost surely, 2^143421202 is an apocalyptic number.

143421202 is a deficient number, since it is larger than the sum of its proper divisors (74657834).

143421202 is an equidigital number, since it uses as much as digits as its factorization.

143421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982412.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143421202 is about 11975.8591341081. The cubic root of 143421202 is about 523.4450766385.

Adding to 143421202 its reverse (202124341), we get a palindrome (345545543).

The spelling of 143421202 in words is "one hundred forty-three million, four hundred twenty-one thousand, two hundred two".