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144224841 = 348074947
BaseRepresentation
bin10001001100010…
…11001001001001
3101001101101021210
420212023021021
5243410143331
622151123333
73400614405
oct1046131111
9331341253
10144224841
1174458292
1240373549
1323b59357
1415224105
15c9dd446
hex898b249

144224841 has 4 divisors (see below), whose sum is σ = 192299792. Its totient is φ = 96149892.

The previous prime is 144224827. The next prime is 144224891. The reversal of 144224841 is 148422441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 144224841 - 25 = 144224809 is a prime.

It is a super-2 number, since 2×1442248412 = 41601609522950562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144224799 and 144224808.

It is not an unprimeable number, because it can be changed into a prime (144224891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24037471 + ... + 24037476.

It is an arithmetic number, because the mean of its divisors is an integer number (48074948).

Almost surely, 2144224841 is an apocalyptic number.

It is an amenable number.

144224841 is a deficient number, since it is larger than the sum of its proper divisors (48074951).

144224841 is an equidigital number, since it uses as much as digits as its factorization.

144224841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48074950.

The product of its digits is 8192, while the sum is 30.

The square root of 144224841 is about 12009.3647209168. The cubic root of 144224841 is about 524.4209379609.

The spelling of 144224841 in words is "one hundred forty-four million, two hundred twenty-four thousand, eight hundred forty-one".

Divisors: 1 3 48074947 144224841