| Base | Representation |
|---|---|
| bin | 10000111101001… |
| … | …11110101100000 |
| 3 | 100220122210202100 |
| 4 | 20132213311200 |
| 5 | 242403321331 |
| 6 | 22040450400 |
| 7 | 3345031041 |
| oct | 1036476540 |
| 9 | 326583670 |
| 10 | 142245216 |
| 11 | 73325a33 |
| 12 | 3b779a00 |
| 13 | 23615289 |
| 14 | 14c6a8c8 |
| 15 | c74bae6 |
| hex | 87a7d60 |
142245216 has 72 divisors (see below), whose sum is σ = 412186320. Its totient is φ = 46515456.
The previous prime is 142245211. The next prime is 142245223. The reversal of 142245216 is 612542241.
142245216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (72).
It is a self number, because there is not a number n which added to its sum of digits gives 142245216.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142245211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10605 + ... + 19923.
It is an arithmetic number, because the mean of its divisors is an integer number (5724810).
Almost surely, 2142245216 is an apocalyptic number.
142245216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142245216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206093160).
142245216 is an abundant number, since it is smaller than the sum of its proper divisors (269941104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142245216 is a wasteful number, since it uses less digits than its factorization.
142245216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9388 (or 9377 counting only the distinct ones).
The product of its digits is 3840, while the sum is 27.
The square root of 142245216 is about 11926.6598844773. The cubic root of 142245216 is about 522.0104811389.
Adding to 142245216 its reverse (612542241), we get a palindrome (754787457).
The spelling of 142245216 in words is "one hundred forty-two million, two hundred forty-five thousand, two hundred sixteen".
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