Search a number
-
+
144526441 = 228163361
BaseRepresentation
bin10001001110101…
…00110001101001
3101001221201000011
420213110301221
5243444321231
622201411521
73403311613
oct1047246151
9331851004
10144526441
1174643944
1240499ba1
1323c33707
14152a1db3
15ca4c9b1
hex89d4c69

144526441 has 4 divisors (see below), whose sum is σ = 144592084. Its totient is φ = 144460800.

The previous prime is 144526439. The next prime is 144526463. The reversal of 144526441 is 144625441.

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 77352025 + 67174416 = 8795^2 + 8196^2 .

It is a cyclic number.

It is not a de Polignac number, because 144526441 - 21 = 144526439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144523441) 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 3 ways as a sum of consecutive naturals, for example, 29400 + ... + 33961.

It is an arithmetic number, because the mean of its divisors is an integer number (36148021).

Almost surely, 2144526441 is an apocalyptic number.

It is an amenable number.

144526441 is a deficient number, since it is larger than the sum of its proper divisors (65643).

144526441 is an equidigital number, since it uses as much as digits as its factorization.

144526441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65642.

The product of its digits is 15360, while the sum is 31.

The square root of 144526441 is about 12021.9150304766. The cubic root of 144526441 is about 524.7862361786.

The spelling of 144526441 in words is "one hundred forty-four million, five hundred twenty-six thousand, four hundred forty-one".

Divisors: 1 2281 63361 144526441