Base | Representation |
---|---|
bin | 10001001011110… |
… | …01001110011110 |
3 | 101001020122121202 |
4 | 20211321032132 |
5 | 243400321304 |
6 | 22145355502 |
7 | 3400160426 |
oct | 1045711636 |
9 | 331218552 |
10 | 144151454 |
11 | 74408137 |
12 | 40338b92 |
13 | 23b31b25 |
14 | 15205486 |
15 | c9c681e |
hex | 897939e |
144151454 has 4 divisors (see below), whose sum is σ = 216227184. Its totient is φ = 72075726.
The previous prime is 144151453. The next prime is 144151463. The reversal of 144151454 is 454151441.
144151454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454151441 = 1613 ⋅281557.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144151453) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36037862 + ... + 36037865.
It is an arithmetic number, because the mean of its divisors is an integer number (54056796).
Almost surely, 2144151454 is an apocalyptic number.
144151454 is a deficient number, since it is larger than the sum of its proper divisors (72075730).
144151454 is an equidigital number, since it uses as much as digits as its factorization.
144151454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72075729.
The product of its digits is 6400, while the sum is 29.
The square root of 144151454 is about 12006.3089248944. The cubic root of 144151454 is about 524.3319745327.
The spelling of 144151454 in words is "one hundred forty-four million, one hundred fifty-one thousand, four hundred fifty-four".
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