| Base | Representation |
|---|---|
| bin | 10001010111001… |
| … | …01101010101000 |
| 3 | 101011001111021122 |
| 4 | 20223211222220 |
| 5 | 244241103300 |
| 6 | 22241354412 |
| 7 | 3415645442 |
| oct | 1053455250 |
| 9 | 334044248 |
| 10 | 145644200 |
| 11 | 75237709 |
| 12 | 40938a08 |
| 13 | 24235400 |
| 14 | 154b3492 |
| 15 | cbbdc85 |
| hex | 8ae5aa8 |
145644200 has 144 divisors (see below), whose sum is σ = 381225600. Its totient is φ = 51667200.
The previous prime is 145644197. The next prime is 145644203. The reversal of 145644200 is 2446541.
It is an interprime number because it is at equal distance from previous prime (145644197) and next prime (145644203).
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 145644200.
It is not an unprimeable number, because it can be changed into a prime (145644203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1047731 + ... + 1047869.
It is an arithmetic number, because the mean of its divisors is an integer number (2647400).
Almost surely, 2145644200 is an apocalyptic number.
145644200 is a gapful number since it is divisible by the number (10) 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 145644200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190612800).
145644200 is an abundant number, since it is smaller than the sum of its proper divisors (235581400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145644200 is a wasteful number, since it uses less digits than its factorization.
145644200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212 (or 190 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 145644200 is about 12068.3138838862. The cubic root of 145644200 is about 526.1356520021.
The spelling of 145644200 in words is "one hundred forty-five million, six hundred forty-four thousand, two hundred".
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