Search a number
-
+
144140023231 is a prime number
BaseRepresentation
bin1000011000111101101…
…0100011010110111111
3111210001100212211221221
42012033122203112333
54330144321220411
6150114512534211
713261631660611
oct2061732432677
9453040784857
10144140023231
1156147315946
1223b28251367
13107914cb499
146d953d0db1
153b39405071
hex218f6a35bf

144140023231 has 2 divisors, whose sum is σ = 144140023232. Its totient is φ = 144140023230.

The previous prime is 144140023217. The next prime is 144140023267. The reversal of 144140023231 is 132320041441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144140023231 - 25 = 144140023199 is a prime.

It is a super-2 number, since 2×1441400232312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144140023196 and 144140023205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144140023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72070011615 + 72070011616.

It is an arithmetic number, because the mean of its divisors is an integer number (72070011616).

Almost surely, 2144140023231 is an apocalyptic number.

144140023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

144140023231 is an equidigital number, since it uses as much as digits as its factorization.

144140023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144140023231 its reverse (132320041441), we get a palindrome (276460064672).

The spelling of 144140023231 in words is "one hundred forty-four billion, one hundred forty million, twenty-three thousand, two hundred thirty-one".