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144330100 = 225229157317
BaseRepresentation
bin10001001101001…
…00110101110100
3101001120201200021
420212210311310
5243422030400
622153254524
73401533315
oct1046446564
9331521607
10144330100
117451a382
1240404444
1323b95235
141525060c
15ca0e71a
hex89a4d74

144330100 has 72 divisors (see below), whose sum is σ = 327088440. Its totient is φ = 55211520.

The previous prime is 144330097. The next prime is 144330101. The reversal of 144330100 is 1033441.

It can be written as a sum of positive squares in 12 ways, for example, as 88887184 + 55442916 = 9428^2 + 7446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144330101) 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 23 ways as a sum of consecutive naturals, for example, 455142 + ... + 455458.

It is an arithmetic number, because the mean of its divisors is an integer number (4542895).

Almost surely, 2144330100 is an apocalyptic number.

144330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163544220).

144330100 is an abundant number, since it is smaller than the sum of its proper divisors (182758340).

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

144330100 is a wasteful number, since it uses less digits than its factorization.

144330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 144330100 is about 12013.7462933092. The cubic root of 144330100 is about 524.5484855682.

Adding to 144330100 its reverse (1033441), we get a palindrome (145363541).

The spelling of 144330100 in words is "one hundred forty-four million, three hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 157 290 314 317 580 628 634 725 785 1268 1450 1570 1585 2900 3140 3170 3925 4553 6340 7850 7925 9106 9193 15700 15850 18212 18386 22765 31700 36772 45530 45965 49769 91060 91930 99538 113825 183860 199076 227650 229825 248845 455300 459650 497690 919300 995380 1244225 1443301 2488450 2886602 4976900 5773204 7216505 14433010 28866020 36082525 72165050 144330100