Base | Representation |
---|---|
bin | 10001010010010… |
… | …10110110111001 |
3 | 101002212021110122 |
4 | 20221022312321 |
5 | 244110310410 |
6 | 22220023025 |
7 | 3410364662 |
oct | 1051126671 |
9 | 332767418 |
10 | 145010105 |
11 | 74944269 |
12 | 40691a75 |
13 | 240728c6 |
14 | 1538a369 |
15 | cae5e55 |
hex | 8a4adb9 |
145010105 has 4 divisors (see below), whose sum is σ = 174012132. Its totient is φ = 116008080.
The previous prime is 145010093. The next prime is 145010137. The reversal of 145010105 is 501010541.
145010105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501010541 = 23 ⋅21783067.
It can be written as a sum of positive squares in 2 ways, for example, as 57942544 + 87067561 = 7612^2 + 9331^2 .
It is a de Polignac number, because none of the positive numbers 2k-145010105 is a prime.
It is a super-2 number, since 2×1450101052 = 42055861104222050, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14501006 + ... + 14501015.
It is an arithmetic number, because the mean of its divisors is an integer number (43503033).
Almost surely, 2145010105 is an apocalyptic number.
It is an amenable number.
145010105 is a deficient number, since it is larger than the sum of its proper divisors (29002027).
145010105 is an equidigital number, since it uses as much as digits as its factorization.
145010105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29002026.
The product of its (nonzero) digits is 100, while the sum is 17.
The square root of 145010105 is about 12042.0141587693. The cubic root of 145010105 is about 525.3709909900.
Adding to 145010105 its reverse (501010541), we get a palindrome (646020646).
The spelling of 145010105 in words is "one hundred forty-five million, ten thousand, one hundred five".
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