Base | Representation |
---|---|
bin | 10001011000111… |
… | …00100000000001 |
3 | 101011110220101012 |
4 | 20230130200001 |
5 | 244320300201 |
6 | 22250250305 |
7 | 3420602321 |
oct | 1054344001 |
9 | 334426335 |
10 | 145868801 |
11 | 75380431 |
12 | 40a26995 |
13 | 242b3700 |
14 | 15531281 |
15 | cc155bb |
hex | 8b1c801 |
145868801 has 12 divisors (see below), whose sum is σ = 158814720. Its totient is φ = 133913520.
The previous prime is 145868761. The next prime is 145868803. The reversal of 145868801 is 108868541.
It is not a de Polignac number, because 145868801 - 226 = 78759937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145868803) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30020 + ... + 34538.
It is an arithmetic number, because the mean of its divisors is an integer number (13234560).
Almost surely, 2145868801 is an apocalyptic number.
It is an amenable number.
145868801 is a deficient number, since it is larger than the sum of its proper divisors (12945919).
145868801 is a wasteful number, since it uses less digits than its factorization.
145868801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4736 (or 4723 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 41.
The square root of 145868801 is about 12077.6157001289. The cubic root of 145868801 is about 526.4059680671.
The spelling of 145868801 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, eight hundred one".
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