Base | Representation |
---|---|
bin | 10001010011001… |
… | …10111101010111 |
3 | 101010002010100200 |
4 | 20221212331113 |
5 | 244123001312 |
6 | 22222311543 |
7 | 3411354363 |
oct | 1051467527 |
9 | 333063320 |
10 | 145125207 |
11 | 74a12797 |
12 | 407285b3 |
13 | 240b3106 |
14 | 153ba2a3 |
15 | cb1a0dc |
hex | 8a66f57 |
145125207 has 12 divisors (see below), whose sum is σ = 212578704. Its totient is φ = 95387040.
The previous prime is 145125203. The next prime is 145125217. The reversal of 145125207 is 702521541.
145125207 is a `hidden beast` number, since 1 + 451 + 2 + 5 + 207 = 666.
It is not a de Polignac number, because 145125207 - 22 = 145125203 is a prime.
It is a super-2 number, since 2×1451252072 = 42122651413585698, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145125203) 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, 112918 + ... + 114195.
It is an arithmetic number, because the mean of its divisors is an integer number (17714892).
Almost surely, 2145125207 is an apocalyptic number.
145125207 is a deficient number, since it is larger than the sum of its proper divisors (67453497).
145125207 is a wasteful number, since it uses less digits than its factorization.
145125207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227190 (or 227187 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 145125207 is about 12046.7923946584. The cubic root of 145125207 is about 525.5099589126.
Adding to 145125207 its reverse (702521541), we get a palindrome (847646748).
The spelling of 145125207 in words is "one hundred forty-five million, one hundred twenty-five thousand, two hundred seven".
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