Base | Representation |
---|---|
bin | 10001010010100… |
… | …01101100110111 |
3 | 101002220200220210 |
4 | 20221101230313 |
5 | 244112210020 |
6 | 22220400503 |
7 | 3410542464 |
oct | 1051215467 |
9 | 332820823 |
10 | 145038135 |
11 | 74963330 |
12 | 406a6133 |
13 | 240825a8 |
14 | 1539666b |
15 | caee3e0 |
hex | 8a51b37 |
145038135 has 64 divisors (see below), whose sum is σ = 277447680. Its totient is φ = 63866880.
The previous prime is 145038133. The next prime is 145038139. The reversal of 145038135 is 531830541.
145038135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 145038135 - 21 = 145038133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145038133) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80454 + ... + 82236.
It is an arithmetic number, because the mean of its divisors is an integer number (4335120).
Almost surely, 2145038135 is an apocalyptic number.
145038135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145038135 is a deficient number, since it is larger than the sum of its proper divisors (132409545).
145038135 is a wasteful number, since it uses less digits than its factorization.
145038135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1848.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 145038135 is about 12043.1779443800. The cubic root of 145038135 is about 525.4048396659.
Adding to 145038135 its reverse (531830541), we get a palindrome (676868676).
The spelling of 145038135 in words is "one hundred forty-five million, thirty-eight thousand, one hundred thirty-five".
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