202144424234 has 4 divisors (see below), whose sum is σ = 303216636354. Its totient is φ = 101072212116.

The previous prime is 202144424233. The next prime is 202144424239. The reversal of 202144424234 is 432424441202.

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

It can be written as a sum of positive squares in only one way, i.e., 126270069025 + 75874355209 = 355345^2 + 275453^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202144424234.

It is not an unprimeable number, because it can be changed into a prime (202144424233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50536106057 + ... + 50536106060.

Almost surely, 2^202144424234 is an apocalyptic number.

202144424234 is a deficient number, since it is larger than the sum of its proper divisors (101072212120).

202144424234 is a wasteful number, since it uses less digits than its factorization.

202144424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101072212119.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 202144424234 its reverse (432424441202), we get a palindrome (634568865436).

The spelling of 202144424234 in words is "two hundred two billion, one hundred forty-four million, four hundred twenty-four thousand, two hundred thirty-four".