144244044 has 144 divisors (see below), whose sum is σ = 441070560. Its totient is φ = 40642560.

The previous prime is 144244039. The next prime is 144244049. The reversal of 144244044 is 440442441.

144244044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144244039) and next prime (144244049).

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

It is a junction number, because it is equal to n+sod(n) for n = 144243999 and 144244017.

It is not an unprimeable number, because it can be changed into a prime (144244049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513184 + ... + 513464.

It is an arithmetic number, because the mean of its divisors is an integer number (3062990).

Almost surely, 2^144244044 is an apocalyptic number.

144244044 is a gapful number since it is divisible by the number (14) 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 144244044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220535280).

144244044 is an abundant number, since it is smaller than the sum of its proper divisors (296826516).

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

144244044 is a wasteful number, since it uses less digits than its factorization.

144244044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 144244044 is about 12010.1641953805. The cubic root of 144244044 is about 524.4442118257. Note that the first 3 decimals are identical.

Adding to 144244044 its reverse (440442441), we get a palindrome (584686485).

The spelling of 144244044 in words is "one hundred forty-four million, two hundred forty-four thousand, forty-four".