Base | Representation |
---|---|
bin | 10001010011010… |
… | …00110100110001 |
3 | 101010002111211201 |
4 | 20221220310301 |
5 | 244123222344 |
6 | 22222411201 |
7 | 3411415561 |
oct | 1051506461 |
9 | 333074751 |
10 | 145132849 |
11 | 74a18504 |
12 | 40730b01 |
13 | 240b6734 |
14 | 153bcda1 |
15 | cb1c4d4 |
hex | 8a68d31 |
145132849 has 8 divisors (see below), whose sum is σ = 158040000. Its totient is φ = 132752592.
The previous prime is 145132843. The next prime is 145132873. The reversal of 145132849 is 948231541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145132849 - 25 = 145132817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145132843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131149 + ... + 132250.
It is an arithmetic number, because the mean of its divisors is an integer number (19755000).
Almost surely, 2145132849 is an apocalyptic number.
145132849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
145132849 is a deficient number, since it is larger than the sum of its proper divisors (12907151).
145132849 is a wasteful number, since it uses less digits than its factorization.
145132849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263447.
The product of its digits is 34560, while the sum is 37.
The square root of 145132849 is about 12047.1095703492. The cubic root of 145132849 is about 525.5191828481.
The spelling of 145132849 in words is "one hundred forty-five million, one hundred thirty-two thousand, eight hundred forty-nine".
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