144423330 has 32 divisors (see below), whose sum is σ = 367006464. Its totient is φ = 36247296.

The previous prime is 144423319. The next prime is 144423337. The reversal of 144423330 is 33324441.

144423330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144423330.

It is not an unprimeable number, because it can be changed into a prime (144423337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141082 + ... + 142101.

It is an arithmetic number, because the mean of its divisors is an integer number (11468952).

Almost surely, 2^144423330 is an apocalyptic number.

144423330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144423330 is an abundant number, since it is smaller than the sum of its proper divisors (222583134).

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

144423330 is a wasteful number, since it uses less digits than its factorization.

144423330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283210.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 144423330 is about 12017.6258054576. The cubic root of 144423330 is about 524.6614052556.

Adding to 144423330 its reverse (33324441), we get a palindrome (177747771).

The spelling of 144423330 in words is "one hundred forty-four million, four hundred twenty-three thousand, three hundred thirty".