144444444 has 24 divisors (see below), whose sum is σ = 356863248. Its totient is φ = 45315840.

The previous prime is 144444437. The next prime is 144444457. The reversal of 144444444 is 444444441.

It is a happy number.

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

144444444 is a modest number, since divided by 44444 gives 1444 as remainder.

It is a plaindrome in base 10.

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, 353827 + ... + 354234.

It is an arithmetic number, because the mean of its divisors is an integer number (14869302).

Almost surely, 2^144444444 is an apocalyptic number.

It is an amenable number.

144444444 is an abundant number, since it is smaller than the sum of its proper divisors (212418804).

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

144444444 is a wasteful number, since it uses less digits than its factorization.

144444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708085 (or 708083 counting only the distinct ones).

The product of its digits is 65536, while the sum is 33.

The square root of 144444444 is about 12018.5042330566. The cubic root of 144444444 is about 524.6869716723.

Adding to 144444444 its reverse (444444441), we get a palindrome (588888885).

It can be divided in two parts, 1444444 and 44, that multiplied together give a palindrome (63555536).

The spelling of 144444444 in words is "one hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".