Base | Representation |
---|---|
bin | 10001011000110… |
… | …10100011101001 |
3 | 101011110111110101 |
4 | 20230122203221 |
5 | 244320021331 |
6 | 22250145401 |
7 | 3420540160 |
oct | 1054324351 |
9 | 334414411 |
10 | 145860841 |
11 | 75375455 |
12 | 40a22261 |
13 | 242acbb9 |
14 | 1552c3d7 |
15 | cc13061 |
hex | 8b1a8e9 |
145860841 has 8 divisors (see below), whose sum is σ = 167620544. Its totient is φ = 124331760.
The previous prime is 145860839. The next prime is 145860877. The reversal of 145860841 is 148068541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145860841 - 21 = 145860839 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 145860841.
It is not an unprimeable number, because it can be changed into a prime (145860811) 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 7 ways as a sum of consecutive naturals, for example, 56295 + ... + 58828.
It is an arithmetic number, because the mean of its divisors is an integer number (20952568).
Almost surely, 2145860841 is an apocalyptic number.
It is an amenable number.
145860841 is a deficient number, since it is larger than the sum of its proper divisors (21759703).
145860841 is a wasteful number, since it uses less digits than its factorization.
145860841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115311.
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 145860841 is about 12077.2861603922. The cubic root of 145860841 is about 526.3963926411.
The spelling of 145860841 in words is "one hundred forty-five million, eight hundred sixty thousand, eight hundred forty-one".
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