Base | Representation |
---|---|
bin | 10001010011001… |
… | …00100000001100 |
3 | 101010001121120010 |
4 | 20221210200030 |
5 | 244122141043 |
6 | 22222153220 |
7 | 3411313143 |
oct | 1051444014 |
9 | 333047503 |
10 | 145115148 |
11 | 74a06182 |
12 | 40722810 |
13 | 240ab669 |
14 | 153b675a |
15 | cb17133 |
hex | 8a6480c |
145115148 has 24 divisors (see below), whose sum is σ = 339958080. Its totient is φ = 48178000.
The previous prime is 145115137. The next prime is 145115177. The reversal of 145115148 is 841511541.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21078 + ... + 27101.
It is an arithmetic number, because the mean of its divisors is an integer number (14164920).
Almost surely, 2145115148 is an apocalyptic number.
It is an amenable number.
145115148 is an abundant number, since it is smaller than the sum of its proper divisors (194842932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145115148 is a wasteful number, since it uses less digits than its factorization.
145115148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48437 (or 48435 counting only the distinct ones).
The product of its digits is 3200, while the sum is 30.
The square root of 145115148 is about 12046.3748903975. The cubic root of 145115148 is about 525.4978171515.
Adding to 145115148 its reverse (841511541), we get a palindrome (986626689).
The spelling of 145115148 in words is "one hundred forty-five million, one hundred fifteen thousand, one hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •