Base | Representation |
---|---|
bin | 10001010011011… |
… | …01001000011001 |
3 | 101010010102001001 |
4 | 20221231020121 |
5 | 244124303424 |
6 | 22223025001 |
7 | 3411521161 |
oct | 1051551031 |
9 | 333112031 |
10 | 145150489 |
11 | 74a2a790 |
12 | 4073b161 |
13 | 240c1783 |
14 | 153c55a1 |
15 | cb22844 |
hex | 8a6d219 |
145150489 has 16 divisors (see below), whose sum is σ = 160579584. Its totient is φ = 130109200.
The previous prime is 145150427. The next prime is 145150513. The reversal of 145150489 is 984051541.
It is not a de Polignac number, because 145150489 - 219 = 144626201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145150409) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378792 + ... + 379174.
It is an arithmetic number, because the mean of its divisors is an integer number (10036224).
Almost surely, 2145150489 is an apocalyptic number.
It is an amenable number.
145150489 is a deficient number, since it is larger than the sum of its proper divisors (15429095).
145150489 is a wasteful number, since it uses less digits than its factorization.
145150489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788.
The product of its (nonzero) digits is 28800, while the sum is 37.
The square root of 145150489 is about 12047.8416739265. The cubic root of 145150489 is about 525.5404731875.
The spelling of 145150489 in words is "one hundred forty-five million, one hundred fifty thousand, four hundred eighty-nine".
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