Base | Representation |
---|---|
bin | 1000011100010100001… |
… | …1111000011111101101 |
3 | 111212101002102221210112 |
4 | 2013011003320133231 |
5 | 4334020223101112 |
6 | 150344103345405 |
7 | 13323141041042 |
oct | 2070503703755 |
9 | 455332387715 |
10 | 145040050157 |
11 | 56569366452 |
12 | 24139752265 |
13 | 108a5b041b2 |
14 | 703cb571c9 |
15 | 3b8d439a22 |
hex | 21c50f87ed |
145040050157 has 2 divisors, whose sum is σ = 145040050158. Its totient is φ = 145040050156.
The previous prime is 145040050147. The next prime is 145040050187. The reversal of 145040050157 is 751050040541.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 115728555721 + 29311494436 = 340189^2 + 171206^2 .
It is a cyclic number.
It is not a de Polignac number, because 145040050157 - 28 = 145040049901 is a prime.
It is a super-2 number, since 2×1450400501572 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145040050147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520025078 + 72520025079.
It is an arithmetic number, because the mean of its divisors is an integer number (72520025079).
Almost surely, 2145040050157 is an apocalyptic number.
It is an amenable number.
145040050157 is a deficient number, since it is larger than the sum of its proper divisors (1).
145040050157 is an equidigital number, since it uses as much as digits as its factorization.
145040050157 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14000, while the sum is 32.
Adding to 145040050157 its reverse (751050040541), we get a palindrome (896090090698).
The spelling of 145040050157 in words is "one hundred forty-five billion, forty million, fifty thousand, one hundred fifty-seven".
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