| Base | Representation |
|---|---|
| bin | 10001010110101… |
| … | …00111000101100 |
| 3 | 101010221000000000 |
| 4 | 20223110320230 |
| 5 | 244231403333 |
| 6 | 22240104300 |
| 7 | 3415241163 |
| oct | 1053247054 |
| 9 | 333830000 |
| 10 | 145575468 |
| 11 | 751a0005 |
| 12 | 40905090 |
| 13 | 2421003c |
| 14 | 154963da |
| 15 | cba8713 |
| hex | 8ad4e2c |
145575468 has 90 divisors (see below), whose sum is σ = 391222524. Its totient is φ = 47396664.
The previous prime is 145575467. The next prime is 145575499. The reversal of 145575468 is 864575541.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
145575468 is a `hidden beast` number, since 14 + 5 + 575 + 4 + 68 = 666.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
Its product of digits (672000) is a multiple of the sum of its prime divisors (48).
It is not an unprimeable number, because it can be changed into a prime (145575467) 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 29 ways as a sum of consecutive naturals, for example, 3385455 + ... + 3385497.
Almost surely, 2145575468 is an apocalyptic number.
145575468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145575468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195611262).
145575468 is an abundant number, since it is smaller than the sum of its proper divisors (245647056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145575468 is an frugal number, since it uses more digits than its factorization.
145575468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117 (or 48 counting only the distinct ones).
The product of its digits is 672000, while the sum is 45.
The square root of 145575468 is about 12065.4659255248. The cubic root of 145575468 is about 526.0528748285.
The spelling of 145575468 in words is "one hundred forty-five million, five hundred seventy-five thousand, four hundred sixty-eight".
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