Base | Representation |
---|---|
bin | 10001010011010… |
… | …00011101001111 |
3 | 101010002102202221 |
4 | 20221220131033 |
5 | 244123200333 |
6 | 22222400211 |
7 | 3411411310 |
oct | 1051503517 |
9 | 333072687 |
10 | 145131343 |
11 | 74a17365 |
12 | 40730067 |
13 | 240b5b46 |
14 | 153bc607 |
15 | cb1bd2d |
hex | 8a6874f |
145131343 has 8 divisors (see below), whose sum is σ = 165939840. Its totient is φ = 124341720.
The previous prime is 145131319. The next prime is 145131377. The reversal of 145131343 is 343131541.
145131343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145131343 - 29 = 145130831 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 (145131043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21468 + ... + 27406.
It is an arithmetic number, because the mean of its divisors is an integer number (20742480).
Almost surely, 2145131343 is an apocalyptic number.
145131343 is a deficient number, since it is larger than the sum of its proper divisors (20808497).
145131343 is an equidigital number, since it uses as much as digits as its factorization.
145131343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9437.
The product of its digits is 2160, while the sum is 25.
The square root of 145131343 is about 12047.0470655676. The cubic root of 145131343 is about 525.5173651235.
Adding to 145131343 its reverse (343131541), we get a palindrome (488262884).
The spelling of 145131343 in words is "one hundred forty-five million, one hundred thirty-one thousand, three hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •