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144330243 = 3291716493
BaseRepresentation
bin10001001101001…
…00111000000011
3101001120201212120
420212210320003
5243422031433
622153255323
73401533611
oct1046447003
9331521776
10144330243
117451a4a2
1240404543
1323b95315
14152506b1
15ca0e7b3
hex89a4e03

144330243 has 8 divisors (see below), whose sum is σ = 192517968. Its totient is φ = 96181344.

The previous prime is 144330239. The next prime is 144330269. The reversal of 144330243 is 342033441.

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

It is not a de Polignac number, because 144330243 - 22 = 144330239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144330643) 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 7 ways as a sum of consecutive naturals, for example, 505 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (24064746).

Almost surely, 2144330243 is an apocalyptic number.

144330243 is a deficient number, since it is larger than the sum of its proper divisors (48187725).

144330243 is a wasteful number, since it uses less digits than its factorization.

144330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19413.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 144330243 is about 12013.7522448234. The cubic root of 144330243 is about 524.5486588063.

Adding to 144330243 its reverse (342033441), we get a palindrome (486363684).

The spelling of 144330243 in words is "one hundred forty-four million, three hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 2917 8751 16493 49479 48110081 144330243