Base | Representation |
---|---|
bin | 10001010011010… |
… | …11100011011000 |
3 | 101010010002011121 |
4 | 20221223203120 |
5 | 244124102044 |
6 | 22222535024 |
7 | 3411463264 |
oct | 1051534330 |
9 | 333102147 |
10 | 145144024 |
11 | 74a25943 |
12 | 40737474 |
13 | 240bb84c |
14 | 153c30a4 |
15 | cb20984 |
hex | 8a6b8d8 |
145144024 has 8 divisors (see below), whose sum is σ = 272145060. Its totient is φ = 72572008.
The previous prime is 145144003. The next prime is 145144039. The reversal of 145144024 is 420441541.
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 145144024.
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 as a sum of consecutive naturals, namely, 9071494 + ... + 9071509.
Almost surely, 2145144024 is an apocalyptic number.
It is an amenable number.
145144024 is a deficient number, since it is larger than the sum of its proper divisors (127001036).
145144024 is a wasteful number, since it uses less digits than its factorization.
145144024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18143009 (or 18143005 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 25.
The square root of 145144024 is about 12047.5733656201. The cubic root of 145144024 is about 525.5326705507.
Adding to 145144024 its reverse (420441541), we get a palindrome (565585565).
The spelling of 145144024 in words is "one hundred forty-five million, one hundred forty-four thousand, twenty-four".
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