Base | Representation |
---|---|
bin | 10001010011001… |
… | …10110000111011 |
3 | 101010002002021012 |
4 | 20221212300323 |
5 | 244122440121 |
6 | 22222304135 |
7 | 3411352145 |
oct | 1051466073 |
9 | 333062235 |
10 | 145124411 |
11 | 74a12133 |
12 | 4072804b |
13 | 240b2943 |
14 | 153b9c95 |
15 | cb19c5b |
hex | 8a66c3b |
145124411 has 4 divisors (see below), whose sum is σ = 151434192. Its totient is φ = 138814632.
The previous prime is 145124407. The next prime is 145124443. The reversal of 145124411 is 114421541.
145124411 is digitally balanced in base 2, 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.
It is a cyclic number.
It is not a de Polignac number, because 145124411 - 22 = 145124407 is a prime.
It is a super-2 number, since 2×1451244112 = 42122189336193842, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6309757 = 145124411 / (1 + 4 + 5 + 1 + 2 + 4 + 4 + 1 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145124401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3154856 + ... + 3154901.
It is an arithmetic number, because the mean of its divisors is an integer number (37858548).
Almost surely, 2145124411 is an apocalyptic number.
145124411 is a deficient number, since it is larger than the sum of its proper divisors (6309781).
145124411 is an equidigital number, since it uses as much as digits as its factorization.
145124411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6309780.
The product of its digits is 640, while the sum is 23.
The square root of 145124411 is about 12046.7593567731. The cubic root of 145124411 is about 525.5089981177.
Adding to 145124411 its reverse (114421541), we get a palindrome (259545952).
The spelling of 145124411 in words is "one hundred forty-five million, one hundred twenty-four thousand, four hundred eleven".
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