Base | Representation |
---|---|
bin | 10001010011000… |
… | …10101110001100 |
3 | 101010001020112220 |
4 | 20221202232030 |
5 | 244121422402 |
6 | 22222055340 |
7 | 3411252651 |
oct | 1051425614 |
9 | 333036486 |
10 | 145107852 |
11 | 74a0074a |
12 | 4071a550 |
13 | 240a8246 |
14 | 153b3c28 |
15 | cb14dbc |
hex | 8a62b8c |
145107852 has 48 divisors (see below), whose sum is σ = 365293152. Its totient is φ = 44661760.
The previous prime is 145107827. The next prime is 145107871. The reversal of 145107852 is 258701541.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102 + ... + 17522.
It is an arithmetic number, because the mean of its divisors is an integer number (7610274).
Almost surely, 2145107852 is an apocalyptic number.
145107852 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 145107852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182646576).
145107852 is an abundant number, since it is smaller than the sum of its proper divisors (220185300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145107852 is a wasteful number, since it uses less digits than its factorization.
145107852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13498 (or 13496 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 33.
The square root of 145107852 is about 12046.0720568989. The cubic root of 145107852 is about 525.4890101308.
The spelling of 145107852 in words is "one hundred forty-five million, one hundred seven thousand, eight hundred fifty-two".
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