Base | Representation |
---|---|
bin | 10001001011110… |
… | …01001100110001 |
3 | 101001020122110201 |
4 | 20211321030301 |
5 | 243400320340 |
6 | 22145355201 |
7 | 3400160212 |
oct | 1045711461 |
9 | 331218421 |
10 | 144151345 |
11 | 74408048 |
12 | 40338b01 |
13 | 23b31a70 |
14 | 15205409 |
15 | c9c679a |
hex | 8979331 |
144151345 has 16 divisors (see below), whose sum is σ = 186696720. Its totient is φ = 106216704.
The previous prime is 144151339. The next prime is 144151411. The reversal of 144151345 is 543151441.
It can be written as a sum of positive squares in 8 ways, for example, as 11048976 + 133102369 = 3324^2 + 11537^2 .
It is a cyclic number.
It is not a de Polignac number, because 144151345 - 211 = 144149297 is a prime.
It is a super-2 number, since 2×1441513452 = 41559220530618050, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30907 + ... + 35263.
It is an arithmetic number, because the mean of its divisors is an integer number (11668545).
Almost surely, 2144151345 is an apocalyptic number.
It is an amenable number.
144151345 is a deficient number, since it is larger than the sum of its proper divisors (42545375).
144151345 is a wasteful number, since it uses less digits than its factorization.
144151345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4884.
The product of its digits is 4800, while the sum is 28.
The square root of 144151345 is about 12006.3043856134. The cubic root of 144151345 is about 524.3318423749.
The spelling of 144151345 in words is "one hundred forty-four million, one hundred fifty-one thousand, three hundred forty-five".
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