Base | Representation |
---|---|
bin | 10001010011000… |
… | …01011011001111 |
3 | 101010000222021021 |
4 | 20221201123033 |
5 | 244121240133 |
6 | 22222015011 |
7 | 3411231325 |
oct | 1051413317 |
9 | 333028237 |
10 | 145102543 |
11 | 749a7763 |
12 | 40717467 |
13 | 240a59c1 |
14 | 153b1d15 |
15 | cb1352d |
hex | 8a616cf |
145102543 has 8 divisors (see below), whose sum is σ = 146488320. Its totient is φ = 143721240.
The previous prime is 145102541. The next prime is 145102549. The reversal of 145102543 is 345201541.
It is a happy number.
145102543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145102543 - 21 = 145102541 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 (145102541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132946 + ... + 134032.
It is an arithmetic number, because the mean of its divisors is an integer number (18311040).
Almost surely, 2145102543 is an apocalyptic number.
145102543 is a deficient number, since it is larger than the sum of its proper divisors (1385777).
145102543 is a wasteful number, since it uses less digits than its factorization.
145102543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2237.
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 145102543 is about 12045.8516925953. The cubic root of 145102543 is about 525.4826014374.
The spelling of 145102543 in words is "one hundred forty-five million, one hundred two thousand, five hundred forty-three".
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