Base | Representation |
---|---|
bin | 10001001110100… |
… | …00010101010101 |
3 | 101001220210001020 |
4 | 20213100111111 |
5 | 243443230440 |
6 | 22201151353 |
7 | 3403204560 |
oct | 1047202525 |
9 | 331823036 |
10 | 144508245 |
11 | 74631202 |
12 | 4048b559 |
13 | 23c2834b |
14 | 152994d7 |
15 | ca473d0 |
hex | 89d0555 |
144508245 has 64 divisors (see below), whose sum is σ = 283875840. Its totient is φ = 61267968.
The previous prime is 144508201. The next prime is 144508249. The reversal of 144508245 is 542805441.
It is a happy number.
It is not a de Polignac number, because 144508245 - 28 = 144507989 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144508249) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129751 + ... + 130859.
It is an arithmetic number, because the mean of its divisors is an integer number (4435560).
Almost surely, 2144508245 is an apocalyptic number.
144508245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144508245 is a deficient number, since it is larger than the sum of its proper divisors (139367595).
144508245 is a wasteful number, since it uses less digits than its factorization.
144508245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1214.
The product of its (nonzero) digits is 25600, while the sum is 33.
The square root of 144508245 is about 12021.1582220683. The cubic root of 144508245 is about 524.7642115787.
The spelling of 144508245 in words is "one hundred forty-four million, five hundred eight thousand, two hundred forty-five".
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