Base | Representation |
---|---|
bin | 10001010111111… |
… | …11001111011011 |
3 | 101011020210222110 |
4 | 20223333033123 |
5 | 244302431310 |
6 | 22243523403 |
7 | 3416563032 |
oct | 1053771733 |
9 | 334223873 |
10 | 145748955 |
11 | 752a9390 |
12 | 40989563 |
13 | 24270cb1 |
14 | 154dd719 |
15 | cbded20 |
hex | 8aff3db |
145748955 has 16 divisors (see below), whose sum is σ = 254398464. Its totient is φ = 70666080.
The previous prime is 145748951. The next prime is 145748963. The reversal of 145748955 is 559847541.
It is a happy number.
It is not a de Polignac number, because 145748955 - 22 = 145748951 is a prime.
It is not an unprimeable number, because it can be changed into a prime (145748951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441499 + ... + 441828.
It is an arithmetic number, because the mean of its divisors is an integer number (15899904).
Almost surely, 2145748955 is an apocalyptic number.
145748955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145748955 is a deficient number, since it is larger than the sum of its proper divisors (108649509).
145748955 is a wasteful number, since it uses less digits than its factorization.
145748955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 883346.
The product of its digits is 1008000, while the sum is 48.
The square root of 145748955 is about 12072.6531880942. The cubic root of 145748955 is about 526.2617632869.
The spelling of 145748955 in words is "one hundred forty-five million, seven hundred forty-eight thousand, nine hundred fifty-five".
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