Search a number
-
+
144544229 = 1941185551
BaseRepresentation
bin10001001110110…
…01000111100101
3101001222121101222
420213121013211
5244000403404
622202030125
73403414514
oct1047310745
9331877358
10144544229
1174656245
12404a8345
1323c3b83b
14152a867b
15ca52dbe
hex89d91e5

144544229 has 8 divisors (see below), whose sum is σ = 155863680. Its totient is φ = 133596000.

The previous prime is 144544189. The next prime is 144544243. The reversal of 144544229 is 922445441.

144544229 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 144544229 - 212 = 144540133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144544249) 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, 91997 + ... + 93554.

It is an arithmetic number, because the mean of its divisors is an integer number (19482960).

Almost surely, 2144544229 is an apocalyptic number.

144544229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

144544229 is a deficient number, since it is larger than the sum of its proper divisors (11319451).

144544229 is a wasteful number, since it uses less digits than its factorization.

144544229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185611.

The product of its digits is 46080, while the sum is 35.

The square root of 144544229 is about 12022.6548232909. The cubic root of 144544229 is about 524.8077651449.

The spelling of 144544229 in words is "one hundred forty-four million, five hundred forty-four thousand, two hundred twenty-nine".

Divisors: 1 19 41 779 185551 3525469 7607591 144544229