Base | Representation |
---|---|
bin | 10000111111010… |
… | …11101100010001 |
3 | 100221011221000022 |
4 | 20133223230101 |
5 | 242441220103 |
6 | 22050433225 |
7 | 3350266253 |
oct | 1037535421 |
9 | 327157008 |
10 | 142523153 |
11 | 734a5833 |
12 | 3b892815 |
13 | 236b1936 |
14 | 14cddcd3 |
15 | c7a4138 |
hex | 87ebb11 |
142523153 has 4 divisors (see below), whose sum is σ = 143611248. Its totient is φ = 141435060.
The previous prime is 142523131. The next prime is 142523177. The reversal of 142523153 is 351325241.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351325241 = 10477 ⋅33533.
It is a cyclic number.
It is not a de Polignac number, because 142523153 - 210 = 142522129 is a prime.
It is a super-2 number, since 2×1425231532 = 40625698282122818, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142523753) 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, 543851 + ... + 544112.
It is an arithmetic number, because the mean of its divisors is an integer number (35902812).
Almost surely, 2142523153 is an apocalyptic number.
It is an amenable number.
142523153 is a deficient number, since it is larger than the sum of its proper divisors (1088095).
142523153 is a wasteful number, since it uses less digits than its factorization.
142523153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1088094.
The product of its digits is 3600, while the sum is 26.
The square root of 142523153 is about 11938.3061193789. The cubic root of 142523153 is about 522.3502503480.
Adding to 142523153 its reverse (351325241), we get a palindrome (493848394).
The spelling of 142523153 in words is "one hundred forty-two million, five hundred twenty-three thousand, one hundred fifty-three".
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