Base | Representation |
---|---|
bin | 10001010011011… |
… | …00100011101000 |
3 | 101010010021210220 |
4 | 20221230203220 |
5 | 244124220021 |
6 | 22223010040 |
7 | 3411511260 |
oct | 1051544350 |
9 | 333107726 |
10 | 145148136 |
11 | 74a28a41 |
12 | 40739920 |
13 | 240c0693 |
14 | 153c47a0 |
15 | cb21cc6 |
hex | 8a6c8e8 |
145148136 has 64 divisors (see below), whose sum is σ = 415735680. Its totient is φ = 41368320.
The previous prime is 145148119. The next prime is 145148137. The reversal of 145148136 is 631841541.
It is a junction number, because it is equal to n+sod(n) for n = 145148097 and 145148106.
It is not an unprimeable number, because it can be changed into a prime (145148137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90090 + ... + 91686.
It is an arithmetic number, because the mean of its divisors is an integer number (6495870).
Almost surely, 2145148136 is an apocalyptic number.
It is an amenable number.
145148136 is an abundant number, since it is smaller than the sum of its proper divisors (270587544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145148136 is a wasteful number, since it uses less digits than its factorization.
145148136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2154 (or 2150 counting only the distinct ones).
The product of its digits is 11520, while the sum is 33.
The square root of 145148136 is about 12047.7440211850. The cubic root of 145148136 is about 525.5376333683.
Adding to 145148136 its reverse (631841541), we get a palindrome (776989677).
The spelling of 145148136 in words is "one hundred forty-five million, one hundred forty-eight thousand, one hundred thirty-six".
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