Base | Representation |
---|---|
bin | 10001011000000… |
… | …01101010011001 |
3 | 101011021022120210 |
4 | 20230001222121 |
5 | 244303240443 |
6 | 22244041333 |
7 | 3416633661 |
oct | 1054015231 |
9 | 334238523 |
10 | 145758873 |
11 | 75305887 |
12 | 40993249 |
13 | 24275670 |
14 | 155031a1 |
15 | cbe2c33 |
hex | 8b01a99 |
145758873 has 32 divisors (see below), whose sum is σ = 217719936. Its totient is φ = 86151168.
The previous prime is 145758839. The next prime is 145758883. The reversal of 145758873 is 378857541.
It is a happy number.
It is not a de Polignac number, because 145758873 - 210 = 145757849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145758883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119161 + ... + 120377.
It is an arithmetic number, because the mean of its divisors is an integer number (6803748).
Almost surely, 2145758873 is an apocalyptic number.
145758873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
145758873 is a deficient number, since it is larger than the sum of its proper divisors (71961063).
145758873 is a wasteful number, since it uses less digits than its factorization.
145758873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1353.
The product of its digits is 940800, while the sum is 48.
The square root of 145758873 is about 12073.0639441693. The cubic root of 145758873 is about 526.2737001267.
The spelling of 145758873 in words is "one hundred forty-five million, seven hundred fifty-eight thousand, eight hundred seventy-three".
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