| Base | Representation |
|---|---|
| bin | 10001010011000… |
| … | …01101000111010 |
| 3 | 101010001000110200 |
| 4 | 20221201220322 |
| 5 | 244121302133 |
| 6 | 22222023030 |
| 7 | 3411234015 |
| oct | 1051415072 |
| 9 | 333030420 |
| 10 | 145103418 |
| 11 | 749a8389 |
| 12 | 40717a76 |
| 13 | 240a6215 |
| 14 | 153b237c |
| 15 | cb13913 |
| hex | 8a61a3a |
145103418 has 48 divisors (see below), whose sum is σ = 339911520. Its totient is φ = 44579808.
The previous prime is 145103417. The next prime is 145103419. The reversal of 145103418 is 814301541.
It is a happy number.
145103418 is a `hidden beast` number, since 145 + 103 + 418 = 666.
It is an interprime number because it is at equal distance from previous prime (145103417) and next prime (145103419).
It is a junction number, because it is equal to n+sod(n) for n = 145103391 and 145103400.
It is not an unprimeable number, because it can be changed into a prime (145103411) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6921 + ... + 18387.
It is an arithmetic number, because the mean of its divisors is an integer number (7081490).
Almost surely, 2145103418 is an apocalyptic number.
145103418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 145103418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169955760).
145103418 is an abundant number, since it is smaller than the sum of its proper divisors (194808102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145103418 is a wasteful number, since it uses less digits than its factorization.
145103418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11531 (or 11528 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 145103418 is about 12045.8880120977. Note that the first 3 decimals coincide. The cubic root of 145103418 is about 525.4836576936.
Adding to 145103418 its reverse (814301541), we get a palindrome (959404959).
The spelling of 145103418 in words is "one hundred forty-five million, one hundred three thousand, four hundred eighteen".
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