Base | Representation |
---|---|
bin | 10001010101101… |
… | …10110111000000 |
3 | 101010200202021220 |
4 | 20222312313000 |
5 | 244213434410 |
6 | 22233315040 |
7 | 3414216465 |
oct | 1052666700 |
9 | 333622256 |
10 | 145452480 |
11 | 75116668 |
12 | 40865a80 |
13 | 24199074 |
14 | 1546366c |
15 | cb82070 |
hex | 8ab6dc0 |
145452480 has 112 divisors (see below), whose sum is σ = 466612224. Its totient is φ = 38384640.
The previous prime is 145452473. The next prime is 145452497. The reversal of 145452480 is 84254541.
It is a happy number.
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 15 ways as a sum of consecutive naturals, for example, 98145 + ... + 99615.
Almost surely, 2145452480 is an apocalyptic number.
145452480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145452480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233306112).
145452480 is an abundant number, since it is smaller than the sum of its proper divisors (321159744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145452480 is a wasteful number, since it uses less digits than its factorization.
145452480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1594 (or 1584 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 33.
The square root of 145452480 is about 12060.3681535847. The cubic root of 145452480 is about 525.9046895601.
The spelling of 145452480 in words is "one hundred forty-five million, four hundred fifty-two thousand, four hundred eighty".
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