144440352 has 72 divisors (see below), whose sum is σ = 469437696. Its totient is φ = 41268096.

The previous prime is 144440339. The next prime is 144440363. The reversal of 144440352 is 253044441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 33808 + ... + 37839.

It is an arithmetic number, because the mean of its divisors is an integer number (6519968).

Almost surely, 2^144440352 is an apocalyptic number.

144440352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144440352 is an abundant number, since it is smaller than the sum of its proper divisors (324997344).

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

144440352 is a wasteful number, since it uses less digits than its factorization.

144440352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71670 (or 71659 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 144440352 is about 12018.3339943604. Note that the first 3 decimals coincide. The cubic root of 144440352 is about 524.6820169661.

Adding to 144440352 its reverse (253044441), we get a palindrome (397484793).

The spelling of 144440352 in words is "one hundred forty-four million, four hundred forty thousand, three hundred fifty-two".