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144100172 = 22281128203
BaseRepresentation
bin10001001011011…
…00101101001100
3101001011001021102
420211230231030
5243342201142
622144322232
73366555056
oct1045545514
9331131242
10144100172
1174382657
1240313378
1323b14698
14151d08d6
15c9b6532
hex896cb4c

144100172 has 12 divisors (see below), whose sum is σ = 253074696. Its totient is φ = 71793120.

The previous prime is 144100171. The next prime is 144100223. The reversal of 144100172 is 271001441.

It is not an unprimeable number, because it can be changed into a prime (144100171) 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 3 ways as a sum of consecutive naturals, for example, 62978 + ... + 65225.

It is an arithmetic number, because the mean of its divisors is an integer number (21089558).

Almost surely, 2144100172 is an apocalyptic number.

It is an amenable number.

144100172 is a deficient number, since it is larger than the sum of its proper divisors (108974524).

144100172 is a wasteful number, since it uses less digits than its factorization.

144100172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128488 (or 128486 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 144100172 is about 12004.1731077155. The cubic root of 144100172 is about 524.2697899789.

The spelling of 144100172 in words is "one hundred forty-four million, one hundred thousand, one hundred seventy-two".

Divisors: 1 2 4 281 562 1124 128203 256406 512812 36025043 72050086 144100172