Base | Representation |
---|---|
bin | 10001001011110… |
… | …11100111100011 |
3 | 101001021011001121 |
4 | 20211323213203 |
5 | 243401130001 |
6 | 22145513111 |
7 | 3400231123 |
oct | 1045734743 |
9 | 331234047 |
10 | 144161251 |
11 | 74414533 |
12 | 40342797 |
13 | 23b36420 |
14 | 15208c83 |
15 | c9c96a1 |
hex | 897b9e3 |
144161251 has 16 divisors (see below), whose sum is σ = 157405248. Its totient is φ = 131241600.
The previous prime is 144161197. The next prime is 144161273. The reversal of 144161251 is 152161441.
It is a cyclic number.
It is not a de Polignac number, because 144161251 - 29 = 144160739 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144161551) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463386 + ... + 463696.
It is an arithmetic number, because the mean of its divisors is an integer number (9837828).
Almost surely, 2144161251 is an apocalyptic number.
144161251 is a deficient number, since it is larger than the sum of its proper divisors (13243997).
144161251 is a wasteful number, since it uses less digits than its factorization.
144161251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702.
The product of its digits is 960, while the sum is 25.
The square root of 144161251 is about 12006.7169117957. The cubic root of 144161251 is about 524.3438526970.
The spelling of 144161251 in words is "one hundred forty-four million, one hundred sixty-one thousand, two hundred fifty-one".
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