Base | Representation |
---|---|
bin | 10001010010010… |
… | …00101101110100 |
3 | 101002211211102201 |
4 | 20221020231310 |
5 | 244110020312 |
6 | 22215514244 |
7 | 3410330260 |
oct | 1051105564 |
9 | 332754381 |
10 | 145001332 |
11 | 74938713 |
12 | 40688984 |
13 | 2406b908 |
14 | 153870a0 |
15 | cae3557 |
hex | 8a48b74 |
145001332 has 48 divisors (see below), whose sum is σ = 300529152. Its totient is φ = 59925600.
The previous prime is 145001317. The next prime is 145001341. The reversal of 145001332 is 233100541.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99207 + ... + 100657.
It is an arithmetic number, because the mean of its divisors is an integer number (6261024).
Almost surely, 2145001332 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145001332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150264576).
145001332 is an abundant number, since it is smaller than the sum of its proper divisors (155527820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145001332 is a wasteful number, since it uses less digits than its factorization.
145001332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 145001332 is about 12041.6498869549. The cubic root of 145001332 is about 525.3603959292.
Adding to 145001332 its reverse (233100541), we get a palindrome (378101873).
The spelling of 145001332 in words is "one hundred forty-five million, one thousand, three hundred thirty-two".
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