| Base | Representation |
|---|---|
| bin | 10001011001011… |
| … | …01111100100000 |
| 3 | 101011121112101200 |
| 4 | 20230231330200 |
| 5 | 244330042011 |
| 6 | 22252001200 |
| 7 | 3421320540 |
| oct | 1054557440 |
| 9 | 334545350 |
| 10 | 145940256 |
| 11 | 7541a090 |
| 12 | 40a60200 |
| 13 | 2430a0a7 |
| 14 | 1554d320 |
| 15 | cc2b856 |
| hex | 8b2df20 |
145940256 has 144 divisors (see below), whose sum is σ = 517503168. Its totient is φ = 37900800.
The previous prime is 145940239. The next prime is 145940269. The reversal of 145940256 is 652049541.
145940256 is a `hidden beast` number, since 14 + 594 + 0 + 2 + 56 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 145940256.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 18886 + ... + 25466.
It is an arithmetic number, because the mean of its divisors is an integer number (3593772).
Almost surely, 2145940256 is an apocalyptic number.
145940256 is a gapful number since it is divisible by the number (16) 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 145940256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258751584).
145940256 is an abundant number, since it is smaller than the sum of its proper divisors (371562912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145940256 is a wasteful number, since it uses less digits than its factorization.
145940256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6615 (or 6604 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
The square root of 145940256 is about 12080.5734963204. The cubic root of 145940256 is about 526.4919087617.
Adding to 145940256 its reverse (652049541), we get a palindrome (797989797).
The spelling of 145940256 in words is "one hundred forty-five million, nine hundred forty thousand, two hundred fifty-six".
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