Base | Representation |
---|---|
bin | 10001010010101… |
… | …00110110000111 |
3 | 101002221100120211 |
4 | 20221110312013 |
5 | 244113113030 |
6 | 22220540251 |
7 | 3410625154 |
oct | 1051246607 |
9 | 332840524 |
10 | 145051015 |
11 | 74971a7a |
12 | 406b1687 |
13 | 24088405 |
14 | 1539b22b |
15 | cb0312a |
hex | 8a54d87 |
145051015 has 8 divisors (see below), whose sum is σ = 179676288. Its totient is φ = 112297440.
The previous prime is 145051013. The next prime is 145051033. The reversal of 145051015 is 510150541.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145051015 - 21 = 145051013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145051013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467752 + ... + 468061.
It is an arithmetic number, because the mean of its divisors is an integer number (22459536).
Almost surely, 2145051015 is an apocalyptic number.
145051015 is a deficient number, since it is larger than the sum of its proper divisors (34625273).
145051015 is an equidigital number, since it uses as much as digits as its factorization.
145051015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935849.
The product of its (nonzero) digits is 500, while the sum is 22.
The square root of 145051015 is about 12043.7126750849. The cubic root of 145051015 is about 525.4203919298.
The spelling of 145051015 in words is "one hundred forty-five million, fifty-one thousand, fifteen".
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