Base | Representation |
---|---|
bin | 10001010101110… |
… | …00111101010110 |
3 | 101010201012002100 |
4 | 20222320331112 |
5 | 244214223303 |
6 | 22233422530 |
7 | 3414253530 |
oct | 1052707526 |
9 | 333635070 |
10 | 145461078 |
11 | 75122074 |
12 | 4086aa46 |
13 | 2419cc59 |
14 | 15466850 |
15 | cb848a3 |
hex | 8ab8f56 |
145461078 has 96 divisors (see below), whose sum is σ = 388177920. Its totient is φ = 38419200.
The previous prime is 145461077. The next prime is 145461089. The reversal of 145461078 is 870164541.
It is a happy number.
145461078 is a `hidden beast` number, since 1 + 4 + 546 + 107 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145461077) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125803 + ... + 126953.
It is an arithmetic number, because the mean of its divisors is an integer number (4043520).
Almost surely, 2145461078 is an apocalyptic number.
145461078 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 145461078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194088960).
145461078 is an abundant number, since it is smaller than the sum of its proper divisors (242716842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145461078 is a wasteful number, since it uses less digits than its factorization.
145461078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242 (or 1239 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 145461078 is about 12060.7246050973. The cubic root of 145461078 is about 525.9150517976.
The spelling of 145461078 in words is "one hundred forty-five million, four hundred sixty-one thousand, seventy-eight".
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