Search a number
-
+
144231303 = 367371437
BaseRepresentation
bin10001001100011…
…00101110000111
3101001101201011010
420212030232013
5243410400203
622151213303
73400642266
oct1046145607
9331351133
10144231303
1174462127
1240377233
1323b5c288
14152265dd
15c9e0303
hex898cb87

144231303 has 8 divisors (see below), whose sum is σ = 192596848. Its totient is φ = 96009984.

The previous prime is 144231293. The next prime is 144231323. The reversal of 144231303 is 303132441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144231303 - 28 = 144231047 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 144231303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144231323) 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 7 ways as a sum of consecutive naturals, for example, 33700 + ... + 37737.

It is an arithmetic number, because the mean of its divisors is an integer number (24074606).

Almost surely, 2144231303 is an apocalyptic number.

144231303 is a deficient number, since it is larger than the sum of its proper divisors (48365545).

144231303 is an equidigital number, since it uses as much as digits as its factorization.

144231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72113.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 144231303 is about 12009.6337579462. The cubic root of 144231303 is about 524.4287700779.

Adding to 144231303 its reverse (303132441), we get a palindrome (447363744).

The spelling of 144231303 in words is "one hundred forty-four million, two hundred thirty-one thousand, three hundred three".

Divisors: 1 3 673 2019 71437 214311 48077101 144231303