Base | Representation |
---|---|
bin | 10001010100010… |
… | …00101000100101 |
3 | 101010100010120100 |
4 | 20222020220211 |
5 | 244141410031 |
6 | 22225254313 |
7 | 3412500462 |
oct | 1052105045 |
9 | 333303510 |
10 | 145263141 |
11 | 74aa7391 |
12 | 40794399 |
13 | 24130b2a |
14 | 15414669 |
15 | cb45de6 |
hex | 8a88a25 |
145263141 has 12 divisors (see below), whose sum is σ = 210165280. Its totient is φ = 96684840.
The previous prime is 145263137. The next prime is 145263199. The reversal of 145263141 is 141362541.
It is a happy number.
It is not a de Polignac number, because 145263141 - 22 = 145263137 is a prime.
It is a super-2 number, since 2×1452631412 = 42202760266371762, which contains 22 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 (145263121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7111 + ... + 18468.
Almost surely, 2145263141 is an apocalyptic number.
It is an amenable number.
145263141 is a deficient number, since it is larger than the sum of its proper divisors (64902139).
145263141 is a wasteful number, since it uses less digits than its factorization.
145263141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26216 (or 26213 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 145263141 is about 12052.5159614082. The cubic root of 145263141 is about 525.6763962019.
The spelling of 145263141 in words is "one hundred forty-five million, two hundred sixty-three thousand, one hundred forty-one".
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