144107 has 4 divisors (see below), whose sum is σ = 146880. Its totient is φ = 141336.
The previous prime is 144103. The next prime is 144139. The reversal of 144107 is 701441.
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 144107 - 22 = 144103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144103) 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, 1307 + ... + 1412.
It is an arithmetic number, because the mean of its divisors is an integer number (36720).
2144107 is an apocalyptic number.
144107 is a deficient number, since it is larger than the sum of its proper divisors (2773).
144107 is an equidigital number, since it uses as much as digits as its factorization.
144107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2772.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 144107 is about 379.6142779190. The cubic root of 144107 is about 52.4278070463.
Adding to 144107 its reverse (701441), we get a palindrome (845548).
The spelling of 144107 in words is "one hundred forty-four thousand, one hundred seven", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •