Base | Representation |
---|---|
bin | 10001010010100… |
… | …00111110001000 |
3 | 101002220112211000 |
4 | 20221100332020 |
5 | 244112111034 |
6 | 22220335000 |
7 | 3410530662 |
oct | 1051207610 |
9 | 332815730 |
10 | 145035144 |
11 | 74961061 |
12 | 406a4460 |
13 | 24081117 |
14 | 15395532 |
15 | caed599 |
hex | 8a50f88 |
145035144 has 64 divisors (see below), whose sum is σ = 403862400. Its totient is φ = 48226752.
The previous prime is 145035139. The next prime is 145035181. The reversal of 145035144 is 441530541.
It is a happy number.
145035144 is a `hidden beast` number, since 14 + 503 + 5 + 144 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163069 + ... + 163955.
It is an arithmetic number, because the mean of its divisors is an integer number (6310350).
Almost surely, 2145035144 is an apocalyptic number.
It is an amenable number.
145035144 is an abundant number, since it is smaller than the sum of its proper divisors (258827256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145035144 is a wasteful number, since it uses less digits than its factorization.
145035144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1659 (or 1649 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 145035144 is about 12043.0537655530. The cubic root of 145035144 is about 525.4012279798.
Adding to 145035144 its reverse (441530541), we get a palindrome (586565685).
The spelling of 145035144 in words is "one hundred forty-five million, thirty-five thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.103 sec. • engine limits •