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144300222 = 232113719697
BaseRepresentation
bin10001001100111…
…01100010111110
3101001112012200200
420212131202332
5243420101342
622152504330
73401350233
oct1046354276
9331465620
10144300222
11744a9990
12403ab0a6
1323b84761
141524378a
15ca0594c
hex899d8be

144300222 has 48 divisors (see below), whose sum is σ = 350309232. Its totient is φ = 42543360.

The previous prime is 144300203. The next prime is 144300223. The reversal of 144300222 is 222003441.

144300222 is a `hidden beast` number, since 1 + 443 + 0 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 144300195 and 144300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144300223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2523 + ... + 17174.

It is an arithmetic number, because the mean of its divisors is an integer number (7298109).

Almost surely, 2144300222 is an apocalyptic number.

144300222 is an abundant number, since it is smaller than the sum of its proper divisors (206009010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144300222 is a wasteful number, since it uses less digits than its factorization.

144300222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19753 (or 19750 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144300222 is about 12012.5027367323. The cubic root of 144300222 is about 524.5122872025.

Adding to 144300222 its reverse (222003441), we get a palindrome (366303663).

The spelling of 144300222 in words is "one hundred forty-four million, three hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 37 66 74 99 111 198 222 333 407 666 814 1221 2442 3663 7326 19697 39394 59091 118182 177273 216667 354546 433334 650001 728789 1300002 1457578 1950003 2186367 3900006 4372734 6559101 8016679 13118202 16033358 24050037 48100074 72150111 144300222