210144252 has 24 divisors (see below), whose sum is σ = 490770000. Its totient is φ = 69986176.

The previous prime is 210144251. The next prime is 210144271. The reversal of 210144252 is 252441012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210144251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7624 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (20448750).

Almost surely, 2^210144252 is an apocalyptic number.

It is an amenable number.

210144252 is an abundant number, since it is smaller than the sum of its proper divisors (280625748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210144252 is a wasteful number, since it uses less digits than its factorization.

210144252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 210144252 is about 14496.3530586144. The cubic root of 210144252 is about 594.5282629555.

Adding to 210144252 its reverse (252441012), we get a palindrome (462585264).

The spelling of 210144252 in words is "two hundred ten million, one hundred forty-four thousand, two hundred fifty-two".