144043845 has 48 divisors (see below), whose sum is σ = 266723520. Its totient is φ = 66147840.

The previous prime is 144043811. The next prime is 144043847. The reversal of 144043845 is 548340441.

It is not a de Polignac number, because 144043845 - 2¹¹ = 144041797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144043847) 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, 32397 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (5556740).

Almost surely, 2^144043845 is an apocalyptic number.

144043845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144043845 is a deficient number, since it is larger than the sum of its proper divisors (122679675).

144043845 is a wasteful number, since it uses less digits than its factorization.

144043845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4215 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 144043845 is about 12001.8267359598. The cubic root of 144043845 is about 524.2014708539.

The spelling of 144043845 in words is "one hundred forty-four million, forty-three thousand, eight hundred forty-five".