Base | Representation |
---|---|
bin | 10001010011010… |
… | …00101001011101 |
3 | 101010002110211220 |
4 | 20221220221131 |
5 | 244123212000 |
6 | 22222403553 |
7 | 3411413505 |
oct | 1051505135 |
9 | 333073756 |
10 | 145132125 |
11 | 74a17a06 |
12 | 407305b9 |
13 | 240b62c8 |
14 | 153bca05 |
15 | cb1c1a0 |
hex | 8a68a5d |
145132125 has 32 divisors (see below), whose sum is σ = 243824256. Its totient is φ = 76659200.
The previous prime is 145132123. The next prime is 145132129. The reversal of 145132125 is 521231541.
It is a happy number.
It is not a de Polignac number, because 145132125 - 21 = 145132123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 145132095 and 145132104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145132121) 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 31 ways as a sum of consecutive naturals, for example, 38317 + ... + 41933.
It is an arithmetic number, because the mean of its divisors is an integer number (7619508).
Almost surely, 2145132125 is an apocalyptic number.
145132125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145132125 is a deficient number, since it is larger than the sum of its proper divisors (98692131).
145132125 is a wasteful number, since it uses less digits than its factorization.
145132125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3742 (or 3732 counting only the distinct ones).
The product of its digits is 1200, while the sum is 24.
The square root of 145132125 is about 12047.0795216102. The cubic root of 145132125 is about 525.5183089900.
Adding to 145132125 its reverse (521231541), we get a palindrome (666363666).
The spelling of 145132125 in words is "one hundred forty-five million, one hundred thirty-two thousand, one hundred twenty-five".
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