Base | Representation |
---|---|
bin | 10001010010110… |
… | …11011110001111 |
3 | 101002222201211011 |
4 | 20221123132033 |
5 | 244120000114 |
6 | 22221310051 |
7 | 3411100252 |
oct | 1051333617 |
9 | 332881734 |
10 | 145078159 |
11 | 74990406 |
12 | 40705327 |
13 | 24097885 |
14 | 153a7099 |
15 | cb0b1c4 |
hex | 8a5b78f |
145078159 has 4 divisors (see below), whose sum is σ = 145102320. Its totient is φ = 145054000.
The previous prime is 145078151. The next prime is 145078169. The reversal of 145078159 is 951870541.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 145078159 - 23 = 145078151 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 (145078151) 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, 4659 + ... + 17659.
It is an arithmetic number, because the mean of its divisors is an integer number (36275580).
Almost surely, 2145078159 is an apocalyptic number.
145078159 is a deficient number, since it is larger than the sum of its proper divisors (24161).
145078159 is a wasteful number, since it uses less digits than its factorization.
145078159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24160.
The product of its (nonzero) digits is 50400, while the sum is 40.
The square root of 145078159 is about 12044.8395174033. The cubic root of 145078159 is about 525.4531645870.
The spelling of 145078159 in words is "one hundred forty-five million, seventy-eight thousand, one hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •