144364445 has 16 divisors (see below), whose sum is σ = 183841920. Its totient is φ = 108592704.

The previous prime is 144364439. The next prime is 144364447. The reversal of 144364445 is 544463441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144364445 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144364447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3854 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (11490120).

Almost surely, 2^144364445 is an apocalyptic number.

It is an amenable number.

144364445 is a deficient number, since it is larger than the sum of its proper divisors (39477475).

144364445 is a wasteful number, since it uses less digits than its factorization.

144364445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364.

The product of its digits is 92160, while the sum is 35.

The square root of 144364445 is about 12015.1756125327. The cubic root of 144364445 is about 524.5900897079.

It can be divided in two parts, 14436 and 4445, that added together give a palindrome (18881).

The spelling of 144364445 in words is "one hundred forty-four million, three hundred sixty-four thousand, four hundred forty-five".