Base | Representation |
---|---|
bin | 10001010100010… |
… | …10010101101010 |
3 | 101010100111010220 |
4 | 20222022111222 |
5 | 244142120442 |
6 | 22225350510 |
7 | 3412530024 |
oct | 1052122552 |
9 | 333314126 |
10 | 145270122 |
11 | 75001658 |
12 | 40798436 |
13 | 2413406a |
14 | 15417014 |
15 | cb47eec |
hex | 8a8a56a |
145270122 has 8 divisors (see below), whose sum is σ = 290540256. Its totient is φ = 48423372.
The previous prime is 145270121. The next prime is 145270133. The reversal of 145270122 is 221072541.
It is a sphenic number, since it is the product of 3 distinct primes.
145270122 is an admirable number.
It is a super-2 number, since 2×1452701222 = 42206816691789768, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145270092 and 145270101.
It is not an unprimeable number, because it can be changed into a prime (145270121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12105838 + ... + 12105849.
It is an arithmetic number, because the mean of its divisors is an integer number (36317532).
Almost surely, 2145270122 is an apocalyptic number.
145270122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145270122 is a wasteful number, since it uses less digits than its factorization.
145270122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24211692.
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 145270122 is about 12052.8055655105. The cubic root of 145270122 is about 525.6848169848.
The spelling of 145270122 in words is "one hundred forty-five million, two hundred seventy thousand, one hundred twenty-two".
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