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144340111 = 2389107659
BaseRepresentation
bin10001001101001…
…11010010001111
3101001121020102001
420212213102033
5243422340421
622153413131
73401604436
oct1046472217
9331536361
10144340111
1174526953
124040a1a7
1323b99966
141525411d
15ca12691
hex89a748f

144340111 has 16 divisors (see below), whose sum is σ = 153964800. Its totient is φ = 135032128.

The previous prime is 144340109. The next prime is 144340151. The reversal of 144340111 is 111043441.

144340111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144340111 - 21 = 144340109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144340151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218700 + ... + 219358.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2144340111 is an apocalyptic number.

144340111 is a deficient number, since it is larger than the sum of its proper divisors (9624689).

144340111 is a wasteful number, since it uses less digits than its factorization.

144340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 144340111 is about 12014.1629338044. The cubic root of 144340111 is about 524.5606131690.

Adding to 144340111 its reverse (111043441), we get a palindrome (255383552).

The spelling of 144340111 in words is "one hundred forty-four million, three hundred forty thousand, one hundred eleven".

Divisors: 1 23 89 107 659 2047 2461 9523 15157 58651 70513 219029 1348973 1621799 6275657 144340111