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144289937 = 1182915823
BaseRepresentation
bin10001001100110…
…11000010010001
3101001111200120202
420212123002101
5243414234222
622152344545
73401305241
oct1046330221
9331450522
10144289937
11744a2190
12403a5155
1323b7cb7c
141523db21
15ca02892
hex899b091

144289937 has 8 divisors (see below), whose sum is σ = 157607040. Its totient is φ = 131006160.

The previous prime is 144289909. The next prime is 144289997. The reversal of 144289937 is 739982441.

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

It is a cyclic number.

It is not a de Polignac number, because 144289937 - 28 = 144289681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144289891 and 144289900.

It is not an unprimeable number, because it can be changed into a prime (144289997) 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, 1208 + ... + 17030.

It is an arithmetic number, because the mean of its divisors is an integer number (19700880).

Almost surely, 2144289937 is an apocalyptic number.

It is an amenable number.

144289937 is a deficient number, since it is larger than the sum of its proper divisors (13317103).

144289937 is a wasteful number, since it uses less digits than its factorization.

144289937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16663.

The product of its digits is 435456, while the sum is 47.

The square root of 144289937 is about 12012.0746334678. The cubic root of 144289937 is about 524.4998253666.

The spelling of 144289937 in words is "one hundred forty-four million, two hundred eighty-nine thousand, nine hundred thirty-seven".

Divisors: 1 11 829 9119 15823 174053 13117267 144289937