Base | Representation |
---|---|
bin | 10001010100111… |
… | …10000111100101 |
3 | 101010111121021121 |
4 | 20222132013211 |
5 | 244202214031 |
6 | 22231213541 |
7 | 3413315155 |
oct | 1052360745 |
9 | 333447247 |
10 | 145351141 |
11 | 75057511 |
12 | 408172b1 |
13 | 24161bc0 |
14 | 15438765 |
15 | cb62011 |
hex | 8a9e1e5 |
145351141 has 4 divisors (see below), whose sum is σ = 156532012. Its totient is φ = 134170272.
The previous prime is 145351127. The next prime is 145351163. The reversal of 145351141 is 141153541.
145351141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141153541 = 487 ⋅289843.
It can be written as a sum of positive squares in 2 ways, for example, as 25908100 + 119443041 = 5090^2 + 10929^2 .
It is a cyclic number.
It is not a de Polignac number, because 145351141 - 211 = 145349093 is a prime.
It is a super-2 number, since 2×1453511412 = 42253908380003762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145351111) 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, 5590416 + ... + 5590441.
It is an arithmetic number, because the mean of its divisors is an integer number (39133003).
Almost surely, 2145351141 is an apocalyptic number.
It is an amenable number.
145351141 is a deficient number, since it is larger than the sum of its proper divisors (11180871).
145351141 is a wasteful number, since it uses less digits than its factorization.
145351141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11180870.
The product of its digits is 1200, while the sum is 25.
The square root of 145351141 is about 12056.1660987231. The cubic root of 145351141 is about 525.7825258651.
The spelling of 145351141 in words is "one hundred forty-five million, three hundred fifty-one thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •