144423312 has 60 divisors (see below), whose sum is σ = 407790864. Its totient is φ = 43680960.

The previous prime is 144423311. The next prime is 144423317. The reversal of 144423312 is 213324441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (144423311) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 275883 + ... + 276405.

Almost surely, 2^144423312 is an apocalyptic number.

144423312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144423312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203895432).

144423312 is an abundant number, since it is smaller than the sum of its proper divisors (263367552).

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

144423312 is an equidigital number, since it uses as much as digits as its factorization.

144423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 539 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 144423312 is about 12017.6250565576. The cubic root of 144423312 is about 524.6613834588.

Adding to 144423312 its reverse (213324441), we get a palindrome (357747753).

The spelling of 144423312 in words is "one hundred forty-four million, four hundred twenty-three thousand, three hundred twelve".