Base | Representation |
---|---|
bin | 10001011000010… |
… | …01000010101101 |
3 | 101011022212001100 |
4 | 20230021002231 |
5 | 244310222401 |
6 | 22244433313 |
7 | 3420121053 |
oct | 1054110255 |
9 | 334285040 |
10 | 145789101 |
11 | 75326567 |
12 | 409a8839 |
13 | 24286353 |
14 | 155101d3 |
15 | cbebb86 |
hex | 8b090ad |
145789101 has 12 divisors (see below), whose sum is σ = 211927612. Its totient is φ = 96572736.
The previous prime is 145789099. The next prime is 145789129. The reversal of 145789101 is 101987541.
It can be written as a sum of positive squares in 2 ways, for example, as 51194025 + 94595076 = 7155^2 + 9726^2 .
It is not a de Polignac number, because 145789101 - 21 = 145789099 is a prime.
It is a super-3 number, since 3×1457891013 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145789601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50176 + ... + 53001.
Almost surely, 2145789101 is an apocalyptic number.
It is an amenable number.
145789101 is a deficient number, since it is larger than the sum of its proper divisors (66138511).
145789101 is a wasteful number, since it uses less digits than its factorization.
145789101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103340 (or 103337 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 36.
The square root of 145789101 is about 12074.3157570108. The cubic root of 145789101 is about 526.3100777905.
The spelling of 145789101 in words is "one hundred forty-five million, seven hundred eighty-nine thousand, one hundred one".
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