144394395 has 16 divisors (see below), whose sum is σ = 243191040. Its totient is φ = 72957024.

The previous prime is 144394363. The next prime is 144394399. The reversal of 144394395 is 593493441.

It is not a de Polignac number, because 144394395 - 2⁵ = 144394363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144394399) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 253039 + ... + 253608.

It is an arithmetic number, because the mean of its divisors is an integer number (15199440).

Almost surely, 2^144394395 is an apocalyptic number.

144394395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144394395 is a deficient number, since it is larger than the sum of its proper divisors (98796645).

144394395 is a wasteful number, since it uses less digits than its factorization.

144394395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506674.

The product of its digits is 233280, while the sum is 42.

The square root of 144394395 is about 12016.4218883992. The cubic root of 144394395 is about 524.6263645372.

The spelling of 144394395 in words is "one hundred forty-four million, three hundred ninety-four thousand, three hundred ninety-five".