Base | Representation |
---|---|
bin | 10001010010011… |
… | …11110110001110 |
3 | 101002220022111120 |
4 | 20221033312032 |
5 | 244111434132 |
6 | 22220301410 |
7 | 3410511366 |
oct | 1051176616 |
9 | 332808446 |
10 | 145030542 |
11 | 74958658 |
12 | 406a1866 |
13 | 2407bcb7 |
14 | 153939a6 |
15 | caec02c |
hex | 8a4fd8e |
145030542 has 16 divisors (see below), whose sum is σ = 290215632. Its totient is φ = 48317760.
The previous prime is 145030541. The next prime is 145030547. The reversal of 145030542 is 245030541.
145030542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1450305422 = 42067716225627528, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145030541) 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, 8388 + ... + 18984.
It is an arithmetic number, because the mean of its divisors is an integer number (18138477).
Almost surely, 2145030542 is an apocalyptic number.
145030542 is an abundant number, since it is smaller than the sum of its proper divisors (145185090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145030542 is a wasteful number, since it uses less digits than its factorization.
145030542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12883.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 145030542 is about 12042.8626995412. The cubic root of 145030542 is about 525.3956708852.
Subtracting 145030542 from its reverse (245030541), we obtain a palindrome (99999999).
The spelling of 145030542 in words is "one hundred forty-five million, thirty thousand, five hundred forty-two".
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