144151111 has 4 divisors (see below), whose sum is σ = 155239672. Its totient is φ = 133062552.

The previous prime is 144151069. The next prime is 144151123. The reversal of 144151111 is 111151441.

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

It is a cyclic number.

It is not a de Polignac number, because 144151111 - 2¹⁵ = 144118343 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 (144151151) 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, 5544261 + ... + 5544286.

It is an arithmetic number, because the mean of its divisors is an integer number (38809918).

Almost surely, 2^144151111 is an apocalyptic number.

144151111 is a deficient number, since it is larger than the sum of its proper divisors (11088561).

144151111 is a wasteful number, since it uses less digits than its factorization.

144151111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088560.

The product of its digits is 80, while the sum is 19.

The square root of 144151111 is about 12006.2946407291. The cubic root of 144151111 is about 524.3315586599.

The spelling of 144151111 in words is "one hundred forty-four million, one hundred fifty-one thousand, one hundred eleven".