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144754216 = 2318094277
BaseRepresentation
bin10001010000011…
…00011000101000
3101002101021110021
420220030120220
5244024113331
622210330224
73405250645
oct1050143050
9332337407
10144754216
1174789a92
1240589974
1323cb32a9
1415320dcc
15ca95211
hex8a0c628

144754216 has 8 divisors (see below), whose sum is σ = 271414170. Its totient is φ = 72377104.

The previous prime is 144754193. The next prime is 144754261. The reversal of 144754216 is 612457441.

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 20520900 = 11146^2 + 4530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9047131 + ... + 9047146.

Almost surely, 2144754216 is an apocalyptic number.

It is an amenable number.

144754216 is a deficient number, since it is larger than the sum of its proper divisors (126659954).

144754216 is a wasteful number, since it uses less digits than its factorization.

144754216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18094283 (or 18094279 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 144754216 is about 12031.3846252208. The cubic root of 144754216 is about 525.0617807869.

The spelling of 144754216 in words is "one hundred forty-four million, seven hundred fifty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 18094277 36188554 72377108 144754216