144221030 has 16 divisors (see below), whose sum is σ = 274868640. Its totient is φ = 54294912.

The previous prime is 144221027. The next prime is 144221041. The reversal of 144221030 is 30122441.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424010 + ... + 424349.

It is an arithmetic number, because the mean of its divisors is an integer number (17179290).

Almost surely, 2^144221030 is an apocalyptic number.

144221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144221030 is a deficient number, since it is larger than the sum of its proper divisors (130647610).

144221030 is a wasteful number, since it uses less digits than its factorization.

144221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848383.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144221030 is about 12009.2060520253. The cubic root of 144221030 is about 524.4163188172.

Adding to 144221030 its reverse (30122441), we get a palindrome (174343471).

The spelling of 144221030 in words is "one hundred forty-four million, two hundred twenty-one thousand, thirty".