144385011 has 28 divisors (see below), whose sum is σ = 223496640. Its totient is φ = 93137040.

The previous prime is 144385001. The next prime is 144385039. The reversal of 144385011 is 110583441.

It is a happy number.

It is not a de Polignac number, because 144385011 - 2⁷ = 144384883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144385001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 19405 + ... + 25793.

Almost surely, 2^144385011 is an apocalyptic number.

144385011 is a deficient number, since it is larger than the sum of its proper divisors (79111629).

144385011 is an frugal number, since it uses more digits than its factorization.

144385011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438 (or 6423 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 144385011 is about 12016.0314164037. The cubic root of 144385011 is about 524.6149993674.

The spelling of 144385011 in words is "one hundred forty-four million, three hundred eighty-five thousand, eleven".