144440000 has 140 divisors (see below), whose sum is σ = 376117104. Its totient is φ = 54912000.

The previous prime is 144439993. The next prime is 144440011. The reversal of 144440000 is 44441.

144440000 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 919922 + ... + 920078.

Almost surely, 2^144440000 is an apocalyptic number.

144440000 is a gapful number since it is divisible by the number (10) 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 144440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188058552).

144440000 is an abundant number, since it is smaller than the sum of its proper divisors (231677104).

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

144440000 is an equidigital number, since it uses as much as digits as its factorization.

144440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 144440000 is about 12018.3193500589. The cubic root of 144440000 is about 524.6815907504.

Adding to 144440000 its reverse (44441), we get a palindrome (144484441).

It can be divided in two parts, 1444 and 40000, that multiplied together give a square (57760000 = 7600²).

The spelling of 144440000 in words is "one hundred forty-four million, four hundred forty thousand".