| Base | Representation |
|---|---|
| bin | 100010001000001… |
| … | …0111111011111000 |
| 3 | 2221210210021220220 |
| 4 | 1010100113323320 |
| 5 | 4321124034112 |
| 6 | 305344220040 |
| 7 | 40243361265 |
| oct | 10420277370 |
| 9 | 2853707826 |
| 10 | 1145143032 |
| 11 | 538448a00 |
| 12 | 27b60a620 |
| 13 | 153328437 |
| 14 | ac13026c |
| 15 | 6a80198c |
| hex | 44417ef8 |
1145143032 has 96 divisors (see below), whose sum is σ = 3185360640. Its totient is φ = 342760000.
The previous prime is 1145143009. The next prime is 1145143033. The reversal of 1145143032 is 2303415411.
It is a happy number.
It is a super-2 number, since 2×11451430322 = 2622705127476306048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 1145142993 and 1145143011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1145143033) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238657 + ... + 243407.
It is an arithmetic number, because the mean of its divisors is an integer number (33180840).
Almost surely, 21145143032 is an apocalyptic number.
1145143032 is a gapful number since it is divisible by the number (12) 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 1145143032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592680320).
1145143032 is an abundant number, since it is smaller than the sum of its proper divisors (2040217608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1145143032 is a wasteful number, since it uses less digits than its factorization.
1145143032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4865 (or 4850 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 1145143032 is about 33839.9620567163. The cubic root of 1145143032 is about 1046.2125168531.
Adding to 1145143032 its reverse (2303415411), we get a palindrome (3448558443).
The spelling of 1145143032 in words is "one billion, one hundred forty-five million, one hundred forty-three thousand, thirty-two".
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