144334220 has 12 divisors (see below), whose sum is σ = 303101904. Its totient is φ = 57733680.

The previous prime is 144334219. The next prime is 144334277. The reversal of 144334220 is 22433441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608336 + ... + 3608375.

It is an arithmetic number, because the mean of its divisors is an integer number (25258492).

Almost surely, 2^144334220 is an apocalyptic number.

144334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144334220 is an abundant number, since it is smaller than the sum of its proper divisors (158767684).

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

144334220 is a wasteful number, since it uses less digits than its factorization.

144334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216720 (or 7216718 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 144334220 is about 12013.9177623288. The cubic root of 144334220 is about 524.5534767174.

Adding to 144334220 its reverse (22433441), we get a palindrome (166767661).

The spelling of 144334220 in words is "one hundred forty-four million, three hundred thirty-four thousand, two hundred twenty".