144101911 has 4 divisors (see below), whose sum is σ = 152578512. Its totient is φ = 135625312.

The previous prime is 144101897. The next prime is 144101941. The reversal of 144101911 is 119101441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144101911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144101941) 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 3 ways as a sum of consecutive naturals, for example, 4238275 + ... + 4238308.

It is an arithmetic number, because the mean of its divisors is an integer number (38144628).

Almost surely, 2^144101911 is an apocalyptic number.

144101911 is a deficient number, since it is larger than the sum of its proper divisors (8476601).

144101911 is an equidigital number, since it uses as much as digits as its factorization.

144101911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476600.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 144101911 is about 12004.2455406410. The cubic root of 144101911 is about 524.2718989320.

The spelling of 144101911 in words is "one hundred forty-four million, one hundred one thousand, nine hundred eleven".