Base | Representation |
---|---|
bin | 10001010111001… |
… | …00101001111011 |
3 | 101011001021121021 |
4 | 20223210221323 |
5 | 244240440214 |
6 | 22241323311 |
7 | 3415630405 |
oct | 1053445173 |
9 | 334037537 |
10 | 145640059 |
11 | 75234594 |
12 | 40936537 |
13 | 24233566 |
14 | 154b1b75 |
15 | cbbc924 |
hex | 8ae4a7b |
145640059 has 8 divisors (see below), whose sum is σ = 150808320. Its totient is φ = 140481600.
The previous prime is 145640051. The next prime is 145640083. The reversal of 145640059 is 950046541.
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 145640059 - 23 = 145640051 is a prime.
It is a super-2 number, since 2×1456400592 = 42422053571046962, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145640051) 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, 41254 + ... + 44644.
It is an arithmetic number, because the mean of its divisors is an integer number (18851040).
Almost surely, 2145640059 is an apocalyptic number.
145640059 is a deficient number, since it is larger than the sum of its proper divisors (5168261).
145640059 is a wasteful number, since it uses less digits than its factorization.
145640059 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4901.
The product of its (nonzero) digits is 21600, while the sum is 34.
The square root of 145640059 is about 12068.1423176892. The cubic root of 145640059 is about 526.1306655388.
The spelling of 145640059 in words is "one hundred forty-five million, six hundred forty thousand, fifty-nine".
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