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144243230 = 2523096247
BaseRepresentation
bin10001001100011…
…11101000011110
3101001102022111212
420212033220132
5243411240410
622151344422
73401022125
oct1046175036
9331368455
10144243230
117447008a
1240382112
1323b64831
141522aabc
15c9e3b05
hex898fa1e

144243230 has 16 divisors (see below), whose sum is σ = 259791840. Its totient is φ = 57663072.

The previous prime is 144243179. The next prime is 144243241. The reversal of 144243230 is 32342441.

144243230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1442432302 = 41612218801665800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144243196 and 144243205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19967 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (16236990).

Almost surely, 2144243230 is an apocalyptic number.

144243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144243230 is a deficient number, since it is larger than the sum of its proper divisors (115548610).

144243230 is a wasteful number, since it uses less digits than its factorization.

144243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 144243230 is about 12010.1303073697. The cubic root of 144243230 is about 524.4432253069.

Adding to 144243230 its reverse (32342441), we get a palindrome (176585671).

The spelling of 144243230 in words is "one hundred forty-four million, two hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 2309 4618 6247 11545 12494 23090 31235 62470 14424323 28848646 72121615 144243230