Base | Representation |
---|---|
bin | 10001010000010… |
… | …00100010111111 |
3 | 101002100110220000 |
4 | 20220020202333 |
5 | 244023112440 |
6 | 22210125343 |
7 | 3405154056 |
oct | 1050104277 |
9 | 332313800 |
10 | 144738495 |
11 | 747791a0 |
12 | 40580853 |
13 | 23ca90a5 |
14 | 1531939d |
15 | ca90730 |
hex | 8a088bf |
144738495 has 80 divisors (see below), whose sum is σ = 288855072. Its totient is φ = 68739840.
The previous prime is 144738491. The next prime is 144738497. The reversal of 144738495 is 594837441.
144738495 is a `hidden beast` number, since 14 + 473 + 84 + 95 = 666.
It is not a de Polignac number, because 144738495 - 22 = 144738491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 144738495.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144738491) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 235809 + ... + 236421.
Almost surely, 2144738495 is an apocalyptic number.
144738495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144738495 is a deficient number, since it is larger than the sum of its proper divisors (144116577).
144738495 is a wasteful number, since it uses less digits than its factorization.
144738495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694 (or 685 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 144738495 is about 12030.7312745319. The cubic root of 144738495 is about 525.0427720255.
The spelling of 144738495 in words is "one hundred forty-four million, seven hundred thirty-eight thousand, four hundred ninety-five".
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