210144242 has 48 divisors (see below), whose sum is σ = 423582048. Its totient is φ = 77051520.

The previous prime is 210144217. The next prime is 210144251. The reversal of 210144242 is 242441012.

210144242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12593 + ... + 24059.

It is an arithmetic number, because the mean of its divisors is an integer number (8824626).

Almost surely, 2^210144242 is an apocalyptic number.

210144242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210144242 is an abundant number, since it is smaller than the sum of its proper divisors (213437806).

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

210144242 is a wasteful number, since it uses less digits than its factorization.

210144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511 (or 11504 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 210144242 is about 14496.3527137001. The cubic root of 210144242 is about 594.5282535251.

Adding to 210144242 its reverse (242441012), we get a palindrome (452585254).

The spelling of 210144242 in words is "two hundred ten million, one hundred forty-four thousand, two hundred forty-two".