| Base | Representation |
|---|---|
| bin | 100010001000010… |
| … | …1110011101110000 |
| 3 | 2221210221222111200 |
| 4 | 1010100232131300 |
| 5 | 4321140012222 |
| 6 | 305350211200 |
| 7 | 40244224314 |
| oct | 10420563560 |
| 9 | 2853858450 |
| 10 | 1145235312 |
| 11 | 538501271 |
| 12 | 27b653b00 |
| 13 | 15335b440 |
| 14 | ac155b44 |
| 15 | 6a81deac |
| hex | 4442e770 |
1145235312 has 120 divisors (see below), whose sum is σ = 3510452400. Its totient is φ = 346374144.
The previous prime is 1145235293. The next prime is 1145235313. The reversal of 1145235312 is 2135325411.
1145235312 is a `hidden beast` number, since 114 + 5 + 235 + 312 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1145235313) 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 23 ways as a sum of consecutive naturals, for example, 105264 + ... + 115632.
It is an arithmetic number, because the mean of its divisors is an integer number (29253770).
Almost surely, 21145235312 is an apocalyptic number.
1145235312 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 1145235312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755226200).
1145235312 is an abundant number, since it is smaller than the sum of its proper divisors (2365217088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1145235312 is a wasteful number, since it uses less digits than its factorization.
1145235312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10455 (or 10446 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 1145235312 is about 33841.3255059550. The cubic root of 1145235312 is about 1046.2406186986.
Subtracting 1145235312 from its reverse (2135325411), we obtain a palindrome (990090099).
It can be divided in two parts, 11452 and 35312, that added together give a palindrome (46764).
The spelling of 1145235312 in words is "one billion, one hundred forty-five million, two hundred thirty-five thousand, three hundred twelve".
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