Base | Representation |
---|---|
bin | 10001010011000… |
… | …01111000111100 |
3 | 101010001001212200 |
4 | 20221201320330 |
5 | 244121320234 |
6 | 22222031500 |
7 | 3411240012 |
oct | 1051417074 |
9 | 333031780 |
10 | 145104444 |
11 | 749a9131 |
12 | 40718590 |
13 | 240a6824 |
14 | 153b28b2 |
15 | cb13d99 |
hex | 8a61e3c |
145104444 has 36 divisors (see below), whose sum is σ = 386098440. Its totient is φ = 45822240.
The previous prime is 145104431. The next prime is 145104457. The reversal of 145104444 is 444401541.
It is an interprime number because it is at equal distance from previous prime (145104431) and next prime (145104457).
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 105387 + ... + 106754.
Almost surely, 2145104444 is an apocalyptic number.
It is an amenable number.
145104444 is an abundant number, since it is smaller than the sum of its proper divisors (240993996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145104444 is a wasteful number, since it uses less digits than its factorization.
145104444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212170 (or 212165 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The square root of 145104444 is about 12045.9305991692. The cubic root of 145104444 is about 525.4848962239.
Adding to 145104444 its reverse (444401541), we get a palindrome (589505985).
The spelling of 145104444 in words is "one hundred forty-five million, one hundred four thousand, four hundred forty-four".
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