| Base | Representation |
|---|---|
| bin | 100010001000010… |
| … | …0110000110010000 |
| 3 | 2221210220020111100 |
| 4 | 1010100212012100 |
| 5 | 4321132413130 |
| 6 | 305345344400 |
| 7 | 40244022354 |
| oct | 10420460620 |
| 9 | 2853806440 |
| 10 | 1145201040 |
| 11 | 538488545 |
| 12 | 27b638100 |
| 13 | 153348969 |
| 14 | ac147464 |
| 15 | 6a813c60 |
| hex | 44426190 |
1145201040 has 120 divisors (see below), whose sum is σ = 3852309240. Its totient is φ = 304883712.
The previous prime is 1145201017. The next prime is 1145201081. The reversal of 1145201040 is 401025411.
It can be written as a sum of positive squares in 4 ways, for example, as 97772544 + 1047428496 = 9888^2 + 32364^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a super-2 number, since 2×11452010402 = 2622970844034163200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685326 + ... + 686994.
It is an arithmetic number, because the mean of its divisors is an integer number (32102577).
Almost surely, 21145201040 is an apocalyptic number.
1145201040 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 1145201040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926154620).
1145201040 is an abundant number, since it is smaller than the sum of its proper divisors (2707108200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1145201040 is a wasteful number, since it uses less digits than its factorization.
1145201040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2641 (or 2632 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 1145201040 is about 33840.8191390220. The cubic root of 1145201040 is about 1046.2301820906.
Adding to 1145201040 its reverse (401025411), we get a palindrome (1546226451).
The spelling of 1145201040 in words is "one billion, one hundred forty-five million, two hundred one thousand, forty".
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