Base | Representation |
---|---|
bin | 10001010011000… |
… | …01110010101101 |
3 | 101010001001022220 |
4 | 20221201302231 |
5 | 244121312140 |
6 | 22222025553 |
7 | 3411235602 |
oct | 1051416255 |
9 | 333031286 |
10 | 145104045 |
11 | 749a88a9 |
12 | 407182b9 |
13 | 240a65a8 |
14 | 153b26a9 |
15 | cb13bd0 |
hex | 8a61cad |
145104045 has 16 divisors (see below), whose sum is σ = 244386240. Its totient is φ = 73315584.
The previous prime is 145104041. The next prime is 145104053. The reversal of 145104045 is 540401541.
It is a happy number.
It is not a de Polignac number, because 145104045 - 22 = 145104041 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145104041) 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 15 ways as a sum of consecutive naturals, for example, 254284 + ... + 254853.
It is an arithmetic number, because the mean of its divisors is an integer number (15274140).
Almost surely, 2145104045 is an apocalyptic number.
145104045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145104045 is a deficient number, since it is larger than the sum of its proper divisors (99282195).
145104045 is a wasteful number, since it uses less digits than its factorization.
145104045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 509164.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 145104045 is about 12045.9140375482. The cubic root of 145104045 is about 525.4844145739.
Adding to 145104045 its reverse (540401541), we get a palindrome (685505586).
The spelling of 145104045 in words is "one hundred forty-five million, one hundred four thousand, forty-five".
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