144251111 has 8 divisors (see below), whose sum is σ = 149268240. Its totient is φ = 139309632.

The previous prime is 144251099. The next prime is 144251113. The reversal of 144251111 is 111152441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144251111 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 (144251113) 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 7 ways as a sum of consecutive naturals, for example, 15020 + ... + 22673.

It is an arithmetic number, because the mean of its divisors is an integer number (18658530).

Almost surely, 2^144251111 is an apocalyptic number.

144251111 is a deficient number, since it is larger than the sum of its proper divisors (5017129).

144251111 is an equidigital number, since it uses as much as digits as its factorization.

144251111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37825.

The product of its digits is 160, while the sum is 20.

The square root of 144251111 is about 12010.4584009104. The cubic root of 144251111 is about 524.4527764468.

The spelling of 144251111 in words is "one hundred forty-four million, two hundred fifty-one thousand, one hundred eleven".