Base | Representation |
---|---|
bin | 10001010101111… |
… | …01101111010111 |
3 | 101010202011221201 |
4 | 20222331233113 |
5 | 244220340123 |
6 | 22234053331 |
7 | 3414364606 |
oct | 1052755727 |
9 | 333664851 |
10 | 145480663 |
11 | 75135859 |
12 | 4087a247 |
13 | 241a8b43 |
14 | 1546da3d |
15 | cb8a5ad |
hex | 8abdbd7 |
145480663 has 4 divisors (see below), whose sum is σ = 153137560. Its totient is φ = 137823768.
The previous prime is 145480637. The next prime is 145480691. The reversal of 145480663 is 366084541.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366084541 = 167 ⋅2192123.
It is a cyclic number.
It is not a de Polignac number, because 145480663 - 25 = 145480631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145480693) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3828420 + ... + 3828457.
It is an arithmetic number, because the mean of its divisors is an integer number (38284390).
Almost surely, 2145480663 is an apocalyptic number.
145480663 is a deficient number, since it is larger than the sum of its proper divisors (7656897).
145480663 is an equidigital number, since it uses as much as digits as its factorization.
145480663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7656896.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 145480663 is about 12061.5365107436. The cubic root of 145480663 is about 525.9386539511.
The spelling of 145480663 in words is "one hundred forty-five million, four hundred eighty thousand, six hundred sixty-three".
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