Search a number
-
+
144226147 = 1317652607
BaseRepresentation
bin10001001100010…
…11011101100011
3101001101110002011
420212023131203
5243410214042
622151133351
73400621252
oct1046133543
9331343064
10144226147
117445926a
1240374257
1323b59b20
1415224799
15c9dda17
hex898b763

144226147 has 8 divisors (see below), whose sum is σ = 164457216. Its totient is φ = 125300352.

The previous prime is 144226133. The next prime is 144226157. The reversal of 144226147 is 741622441.

144226147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144226147 - 227 = 10008419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144226157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326083 + ... + 326524.

It is an arithmetic number, because the mean of its divisors is an integer number (20557152).

Almost surely, 2144226147 is an apocalyptic number.

144226147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

144226147 is a deficient number, since it is larger than the sum of its proper divisors (20231069).

144226147 is a wasteful number, since it uses less digits than its factorization.

144226147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652637.

The product of its digits is 10752, while the sum is 31.

The square root of 144226147 is about 12009.4190950270. The cubic root of 144226147 is about 524.4225208867.

Adding to 144226147 its reverse (741622441), we get a palindrome (885848588).

The spelling of 144226147 in words is "one hundred forty-four million, two hundred twenty-six thousand, one hundred forty-seven".

Divisors: 1 13 17 221 652607 8483891 11094319 144226147