144413244 has 18 divisors (see below), whose sum is σ = 365044680. Its totient is φ = 48137736.

The previous prime is 144413233. The next prime is 144413263. The reversal of 144413244 is 442314441.

144413244 is a `hidden beast` number, since 1 + 4 + 4 + 413 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2005704 + ... + 2005775.

It is an arithmetic number, because the mean of its divisors is an integer number (20280260).

Almost surely, 2^144413244 is an apocalyptic number.

It is an amenable number.

144413244 is an abundant number, since it is smaller than the sum of its proper divisors (220631436).

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

144413244 is a wasteful number, since it uses less digits than its factorization.

144413244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011489 (or 4011484 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 144413244 is about 12017.2061644960. The cubic root of 144413244 is about 524.6491914900.

Adding to 144413244 its reverse (442314441), we get a palindrome (586727685).

The spelling of 144413244 in words is "one hundred forty-four million, four hundred thirteen thousand, two hundred forty-four".