Base | Representation |
---|---|
bin | 10001011000011… |
… | …00010011011011 |
3 | 101011100112101002 |
4 | 20230030103123 |
5 | 244311134314 |
6 | 22245015215 |
7 | 3420205025 |
oct | 1054142333 |
9 | 334315332 |
10 | 145802459 |
11 | 75335600 |
12 | 409b450b |
13 | 2428c45a |
14 | 15515015 |
15 | cc00ade |
hex | 8b0c4db |
145802459 has 24 divisors (see below), whose sum is σ = 170420880. Its totient is φ = 124407360.
The previous prime is 145802453. The next prime is 145802467. The reversal of 145802459 is 954208541.
It is not a de Polignac number, because 145802459 - 216 = 145736923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145802453) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 129272 + ... + 130394.
It is an arithmetic number, because the mean of its divisors is an integer number (7100870).
Almost surely, 2145802459 is an apocalyptic number.
145802459 is a deficient number, since it is larger than the sum of its proper divisors (24618421).
145802459 is a wasteful number, since it uses less digits than its factorization.
145802459 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1211 (or 1200 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 38.
The square root of 145802459 is about 12074.8689019798. The cubic root of 145802459 is about 526.3261517751.
The spelling of 145802459 in words is "one hundred forty-five million, eight hundred two thousand, four hundred fifty-nine".
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