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144111112 = 2318013889
BaseRepresentation
bin10001001011011…
…11011000001000
3101001011121021121
420211233120020
5243343023422
622144445024
73366632005
oct1045573010
9331147247
10144111112
117438a8a2
1240319774
1323b19662
14151d48ac
15c9b98c7
hex896f608

144111112 has 8 divisors (see below), whose sum is σ = 270208350. Its totient is φ = 72055552.

The previous prime is 144111109. The next prime is 144111119. The reversal of 144111112 is 211111441.

It can be written as a sum of positive squares in only one way, i.e., 141467236 + 2643876 = 11894^2 + 1626^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (144111119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9006937 + ... + 9006952.

Almost surely, 2144111112 is an apocalyptic number.

It is an amenable number.

144111112 is a deficient number, since it is larger than the sum of its proper divisors (126097238).

144111112 is a wasteful number, since it uses less digits than its factorization.

144111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013895 (or 18013891 counting only the distinct ones).

The product of its digits is 32, while the sum is 16.

The square root of 144111112 is about 12004.6287739355. The cubic root of 144111112 is about 524.2830570609.

Adding to 144111112 its reverse (211111441), we get a palindrome (355222553).

The spelling of 144111112 in words is "one hundred forty-four million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 18013889 36027778 72055556 144111112