Base | Representation |
---|---|
bin | 10001010011100… |
… | …10111001111101 |
3 | 101010011121111001 |
4 | 20221302321331 |
5 | 244131033031 |
6 | 22223330301 |
7 | 3411650140 |
oct | 1051627175 |
9 | 333147431 |
10 | 145174141 |
11 | 74a46532 |
12 | 40750991 |
13 | 240cc478 |
14 | 153d0057 |
15 | cb29861 |
hex | 8a72e7d |
145174141 has 8 divisors (see below), whose sum is σ = 166322240. Its totient is φ = 124128288.
The previous prime is 145174129. The next prime is 145174171. The reversal of 145174141 is 141471541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145174141 - 225 = 111619709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145174171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22491 + ... + 28216.
It is an arithmetic number, because the mean of its divisors is an integer number (20790280).
Almost surely, 2145174141 is an apocalyptic number.
It is an amenable number.
145174141 is a deficient number, since it is larger than the sum of its proper divisors (21148099).
145174141 is an equidigital number, since it uses as much as digits as its factorization.
145174141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51123.
The product of its digits is 2240, while the sum is 28.
The square root of 145174141 is about 12048.8232205473. The cubic root of 145174141 is about 525.5690169153.
The spelling of 145174141 in words is "one hundred forty-five million, one hundred seventy-four thousand, one hundred forty-one".
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