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144111 = 3112397
BaseRepresentation
bin100011001011101111
321022200110
4203023233
514102421
63031103
71140102
oct431357
9238613
10144111
1199300
126b493
1350796
143a739
152ca76
hex232ef

144111 has 12 divisors (see below), whose sum is σ = 211736. Its totient is φ = 87120.

The previous prime is 144103. The next prime is 144139. The reversal of 144111 is 111441.

It is not a de Polignac number, because 144111 - 23 = 144103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144161) 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 11 ways as a sum of consecutive naturals, for example, 165 + ... + 561.

2144111 is an apocalyptic number.

144111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144111 is a deficient number, since it is larger than the sum of its proper divisors (67625).

144111 is a wasteful number, since it uses less digits than its factorization.

144111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 411 counting only the distinct ones).

The product of its digits is 16, while the sum is 12.

The square root of 144111 is about 379.6195463882. The cubic root of 144111 is about 52.4282921240.

Adding to 144111 its reverse (111441), we get a palindrome (255552).

It can be divided in two parts, 1441 and 11, that multiplied together give a palindrome (15851).

The spelling of 144111 in words is "one hundred forty-four thousand, one hundred eleven", and thus it is an iban number.

Divisors: 1 3 11 33 121 363 397 1191 4367 13101 48037 144111