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144144301 = 7107223863
BaseRepresentation
bin10001001011101…
…11011110101101
3101001020021210211
420211313132231
5243400104201
622145302421
73400130530
oct1045673655
9331207724
10144144301
1174402824
1240334a11
1323b2b7b2
1415202a17
15c9c4651
hex89777ad

144144301 has 16 divisors (see below), whose sum is σ = 167215104. Its totient is φ = 121707504.

The previous prime is 144144293. The next prime is 144144313. The reversal of 144144301 is 103441441.

It is a cyclic number.

It is not a de Polignac number, because 144144301 - 23 = 144144293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144331) 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 15 ways as a sum of consecutive naturals, for example, 166596 + ... + 167458.

It is an arithmetic number, because the mean of its divisors is an integer number (10450944).

Almost surely, 2144144301 is an apocalyptic number.

It is an amenable number.

144144301 is a deficient number, since it is larger than the sum of its proper divisors (23070803).

144144301 is a wasteful number, since it uses less digits than its factorization.

144144301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 144144301 is about 12006.0110361435. The cubic root of 144144301 is about 524.3233016900.

Adding to 144144301 its reverse (103441441), we get a palindrome (247585742).

The spelling of 144144301 in words is "one hundred forty-four million, one hundred forty-four thousand, three hundred one".

Divisors: 1 7 107 223 749 863 1561 6041 23861 92341 167027 192449 646387 1347143 20592043 144144301