144296191 has 4 divisors (see below), whose sum is σ = 155395912. Its totient is φ = 133196472.

The previous prime is 144296177. The next prime is 144296231. The reversal of 144296191 is 191692441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191692441 = 2713 ⋅70657.

It is a cyclic number.

It is not a de Polignac number, because 144296191 - 2¹⁵ = 144263423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144296191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144296161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5549841 + ... + 5549866.

It is an arithmetic number, because the mean of its divisors is an integer number (38848978).

Almost surely, 2^144296191 is an apocalyptic number.

144296191 is a deficient number, since it is larger than the sum of its proper divisors (11099721).

144296191 is a wasteful number, since it uses less digits than its factorization.

144296191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099720.

The product of its digits is 15552, while the sum is 37.

The square root of 144296191 is about 12012.3349520399. The cubic root of 144296191 is about 524.5074031058.

The spelling of 144296191 in words is "one hundred forty-four million, two hundred ninety-six thousand, one hundred ninety-one".