144330444 has 24 divisors (see below), whose sum is σ = 374190320. Its totient is φ = 48110112.

The previous prime is 144330437. The next prime is 144330463. The reversal of 144330444 is 444033441.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 668089 + ... + 668304.

Almost surely, 2^144330444 is an apocalyptic number.

It is an amenable number.

144330444 is an abundant number, since it is smaller than the sum of its proper divisors (229859876).

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

144330444 is a wasteful number, since it uses less digits than its factorization.

144330444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336406 (or 1336398 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 144330444 is about 12013.7606102336. The cubic root of 144330444 is about 524.5489023086.

Adding to 144330444 its reverse (444033441), we get a palindrome (588363885).

The spelling of 144330444 in words is "one hundred forty-four million, three hundred thirty thousand, four hundred forty-four".