144404344 has 32 divisors (see below), whose sum is σ = 313804800. Its totient is φ = 61014240.

The previous prime is 144404333. The next prime is 144404353. The reversal of 144404344 is 443404441.

It is a super-2 number, since 2×144404344² = 41705229132140672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 14184 + ... + 22135.

It is an arithmetic number, because the mean of its divisors is an integer number (9806400).

Almost surely, 2^144404344 is an apocalyptic number.

144404344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144404344 is an abundant number, since it is smaller than the sum of its proper divisors (169400456).

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

144404344 is a wasteful number, since it uses less digits than its factorization.

144404344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36403 (or 36399 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 144404344 is about 12016.8358564141. The cubic root of 144404344 is about 524.6384134533.

Adding to 144404344 its reverse (443404441), we get a palindrome (587808785).

The spelling of 144404344 in words is "one hundred forty-four million, four hundred four thousand, three hundred forty-four".