Search a number
-
+
144010223 = 771289759
BaseRepresentation
bin10001001010101…
…10101111101111
3101000222110212222
420211112233233
5243331311343
622142345555
73366031610
oct1045265757
9330873788
10144010223
1174321015
124028b2bb
1323ab2766
14151a9c07
15c999a68
hex8956bef

144010223 has 8 divisors (see below), whose sum is σ = 166901760. Its totient is φ = 121698360.

The previous prime is 144010211. The next prime is 144010261. The reversal of 144010223 is 322010441.

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

It is not a de Polignac number, because 144010223 - 212 = 144006127 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 (144010423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144383 + ... + 145376.

It is an arithmetic number, because the mean of its divisors is an integer number (20862720).

Almost surely, 2144010223 is an apocalyptic number.

144010223 is a deficient number, since it is larger than the sum of its proper divisors (22891537).

144010223 is an equidigital number, since it uses as much as digits as its factorization.

144010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289837.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144010223 is about 12000.4259507736. The cubic root of 144010223 is about 524.1606821776.

Adding to 144010223 its reverse (322010441), we get a palindrome (466020664).

The spelling of 144010223 in words is "one hundred forty-four million, ten thousand, two hundred twenty-three".

Divisors: 1 7 71 497 289759 2028313 20572889 144010223