Search a number
-
+
144241133 = 373898409
BaseRepresentation
bin10001001100011…
…11000111101101
3101001102012122012
420212033013231
5243411204013
622151331005
73401013041
oct1046170755
9331365565
10144241133
1174469553
1240380a65
1323b638aa
141522a021
15c9e31a8
hex898f1ed

144241133 has 4 divisors (see below), whose sum is σ = 148139580. Its totient is φ = 140342688.

The previous prime is 144241129. The next prime is 144241159. The reversal of 144241133 is 331142441.

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 91431844 + 52809289 = 9562^2 + 7267^2 .

It is a cyclic number.

It is not a de Polignac number, because 144241133 - 22 = 144241129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144241099 and 144241108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144241033) 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, 1949168 + ... + 1949241.

It is an arithmetic number, because the mean of its divisors is an integer number (37034895).

Almost surely, 2144241133 is an apocalyptic number.

It is an amenable number.

144241133 is a deficient number, since it is larger than the sum of its proper divisors (3898447).

144241133 is an equidigital number, since it uses as much as digits as its factorization.

144241133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898446.

The product of its digits is 1152, while the sum is 23.

The square root of 144241133 is about 12010.0430057515. The cubic root of 144241133 is about 524.4406838525.

Adding to 144241133 its reverse (331142441), we get a palindrome (475383574).

The spelling of 144241133 in words is "one hundred forty-four million, two hundred forty-one thousand, one hundred thirty-three".

Divisors: 1 37 3898409 144241133