144221210 has 64 divisors (see below), whose sum is σ = 318816000. Its totient is φ = 46823616.

The previous prime is 144221179. The next prime is 144221213. The reversal of 144221210 is 12122441.

It is not an unprimeable number, because it can be changed into a prime (144221213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64064 + ... + 66276.

It is an arithmetic number, because the mean of its divisors is an integer number (4981500).

Almost surely, 2^144221210 is an apocalyptic number.

144221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144221210 is an abundant number, since it is smaller than the sum of its proper divisors (174594790).

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

144221210 is a wasteful number, since it uses less digits than its factorization.

144221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144221210 is about 12009.2135462735. The cubic root of 144221210 is about 524.4165369890.

Adding to 144221210 its reverse (12122441), we get a palindrome (156343651).

It can be divided in two parts, 14 and 4221210, that added together give a palindrome (4221224).

The spelling of 144221210 in words is "one hundred forty-four million, two hundred twenty-one thousand, two hundred ten".