Base | Representation |
---|---|
bin | 10000111111010… |
… | …01011111100001 |
3 | 100221011110122200 |
4 | 20133221133201 |
5 | 242440423040 |
6 | 22050323413 |
7 | 3350231064 |
oct | 1037513741 |
9 | 327143580 |
10 | 142514145 |
11 | 73499a94 |
12 | 3b889569 |
13 | 236aa7c7 |
14 | 14cda8db |
15 | c7a1630 |
hex | 87e97e1 |
142514145 has 48 divisors (see below), whose sum is σ = 262980432. Its totient is φ = 71147520.
The previous prime is 142514143. The next prime is 142514147. The reversal of 142514145 is 541415241.
142514145 is a `hidden beast` number, since 1 + 4 + 2 + 514 + 145 = 666.
142514145 is nontrivially palindromic in base 2.
It is an interprime number because it is at equal distance from previous prime (142514143) and next prime (142514147).
It can be written as a sum of positive squares in 8 ways, for example, as 451584 + 142062561 = 672^2 + 11919^2 .
It is not a de Polignac number, because 142514145 - 21 = 142514143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142514143) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183979 + ... + 184751.
It is an arithmetic number, because the mean of its divisors is an integer number (5478759).
Almost surely, 2142514145 is an apocalyptic number.
142514145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142514145 is a deficient number, since it is larger than the sum of its proper divisors (120466287).
142514145 is a wasteful number, since it uses less digits than its factorization.
142514145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 142514145 is about 11937.9288404647. The cubic root of 142514145 is about 522.3392452819.
Adding to 142514145 its reverse (541415241), we get a palindrome (683929386).
The spelling of 142514145 in words is "one hundred forty-two million, five hundred fourteen thousand, one hundred forty-five".
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