Base | Representation |
---|---|
bin | 10001010011101… |
… | …11110001100100 |
3 | 101010012121211200 |
4 | 20221313301210 |
5 | 244132202314 |
6 | 22224002500 |
7 | 3412062240 |
oct | 1051676144 |
9 | 333177750 |
10 | 145194084 |
11 | 74a5a512 |
12 | 40760430 |
13 | 24108579 |
14 | 153d7420 |
15 | cb30709 |
hex | 8a77c64 |
145194084 has 36 divisors (see below), whose sum is σ = 419450304. Its totient is φ = 41483952.
The previous prime is 145194061. The next prime is 145194089. The reversal of 145194084 is 480491541.
145194084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (145194089) 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, 287832 + ... + 288335.
Almost surely, 2145194084 is an apocalyptic number.
145194084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
145194084 is an abundant number, since it is smaller than the sum of its proper divisors (274256220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145194084 is a wasteful number, since it uses less digits than its factorization.
145194084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576184 (or 576179 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 145194084 is about 12049.6507833215. The cubic root of 145194084 is about 525.5930821355.
The spelling of 145194084 in words is "one hundred forty-five million, one hundred ninety-four thousand, eighty-four".
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