Base | Representation |
---|---|
bin | 10001010011000… |
… | …01010011011101 |
3 | 101010000221120211 |
4 | 20221201103131 |
5 | 244121231140 |
6 | 22222012421 |
7 | 3411230014 |
oct | 1051412335 |
9 | 333027524 |
10 | 145102045 |
11 | 749a7350 |
12 | 40717111 |
13 | 240a56ca |
14 | 153b1a7b |
15 | cb132ea |
hex | 8a614dd |
145102045 has 16 divisors (see below), whose sum is σ = 190480320. Its totient is φ = 105235200.
The previous prime is 145101991. The next prime is 145102099. The reversal of 145102045 is 540201541.
It is an interprime number because it is at equal distance from previous prime (145101991) and next prime (145102099).
It is not a de Polignac number, because 145102045 - 215 = 145069277 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 17365 + ... + 24325.
It is an arithmetic number, because the mean of its divisors is an integer number (11905020).
Almost surely, 2145102045 is an apocalyptic number.
It is an amenable number.
145102045 is a deficient number, since it is larger than the sum of its proper divisors (45378275).
145102045 is a wasteful number, since it uses less digits than its factorization.
145102045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7356.
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 145102045 is about 12045.8310215609. The cubic root of 145102045 is about 525.4820002749.
Adding to 145102045 its reverse (540201541), we get a palindrome (685303586).
The spelling of 145102045 in words is "one hundred forty-five million, one hundred two thousand, forty-five".
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