144421210 has 8 divisors (see below), whose sum is σ = 259958196. Its totient is φ = 57768480.

The previous prime is 144421187. The next prime is 144421231. The reversal of 144421210 is 12124441.

144421210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120538441 + 23882769 = 10979^2 + 4887^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7221051 + ... + 7221070.

Almost surely, 2^144421210 is an apocalyptic number.

144421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144421210 is a deficient number, since it is larger than the sum of its proper divisors (115536986).

144421210 is a wasteful number, since it uses less digits than its factorization.

144421210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14442128.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 144421210 is about 12017.5376013558. The cubic root of 144421210 is about 524.6588380628.

Adding to 144421210 its reverse (12124441), we get a palindrome (156545651).

The spelling of 144421210 in words is "one hundred forty-four million, four hundred twenty-one thousand, two hundred ten".