Base | Representation |
---|---|
bin | 10001010011010… |
… | …00111101100100 |
3 | 101010002112121120 |
4 | 20221220331210 |
5 | 244123232122 |
6 | 22222413540 |
7 | 3411420324 |
oct | 1051507544 |
9 | 333075546 |
10 | 145133412 |
11 | 74a18976 |
12 | 407312b0 |
13 | 240b6a78 |
14 | 153bd284 |
15 | cb1c75c |
hex | 8a68f64 |
145133412 has 24 divisors (see below), whose sum is σ = 339052896. Its totient is φ = 48319488.
The previous prime is 145133411. The next prime is 145133423. The reversal of 145133412 is 214331541.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (145133411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3748 + ... + 17444.
It is an arithmetic number, because the mean of its divisors is an integer number (14127204).
Almost surely, 2145133412 is an apocalyptic number.
145133412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145133412 is an abundant number, since it is smaller than the sum of its proper divisors (193919484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145133412 is a wasteful number, since it uses less digits than its factorization.
145133412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14587 (or 14585 counting only the distinct ones).
The product of its digits is 1440, while the sum is 24.
The square root of 145133412 is about 12047.1329369274. The cubic root of 145133412 is about 525.5198623793.
Adding to 145133412 its reverse (214331541), we get a palindrome (359464953).
The spelling of 145133412 in words is "one hundred forty-five million, one hundred thirty-three thousand, four hundred twelve".
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