Search a number
144301 = 1131277
BaseRepresentation
bin100011001110101101
321022221111
4203032231
514104201
63032021
71140463
oct431655
9238844
10144301
1199463
126b611
13508b1
143a833
152cb51

144301 has 4 divisors (see below), whose sum is σ = 145692. Its totient is φ = 142912.

The previous prime is 144299. The next prime is 144307. The reversal of 144301 is 103441.

Adding to 144301 its reverse (103441), we get a palindrome (247742).

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

It can be written as a sum of positive squares in 2 ways, for example, as 38025 + 106276 = 195^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 144301 - 21 = 144299 is a prime.

It is a Duffinian number.

144301 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144307) 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, 526 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (36423).

2144301 is an apocalyptic number.

It is an amenable number.

144301 is a deficient number, since it is larger than the sum of its proper divisors (1391).

144301 is a wasteful number, since it uses less digits than its factorization.

144301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 144301 is about 379.8697145075. The cubic root of 144301 is about 52.4513229843.

The spelling of 144301 in words is "one hundred forty-four thousand, three hundred one", and thus it is an iban number.

Divisors: 1 113 1277 144301