Base | Representation |
---|---|
bin | 10001010010111… |
… | …01110111001000 |
3 | 101010000020020120 |
4 | 20221131313020 |
5 | 244120303234 |
6 | 22221423240 |
7 | 3411140631 |
oct | 1051356710 |
9 | 333006216 |
10 | 145087944 |
11 | 749977a1 |
12 | 4070ab20 |
13 | 2409c171 |
14 | 153aa888 |
15 | cb0e049 |
hex | 8a5ddc8 |
145087944 has 32 divisors (see below), whose sum is σ = 366465120. Its totient is φ = 47863296.
The previous prime is 145087937. The next prime is 145087973. The reversal of 145087944 is 449780541.
145087944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1450879442 = 42101022988294272, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 145087896 and 145087905.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28834 + ... + 33489.
It is an arithmetic number, because the mean of its divisors is an integer number (11452035).
Almost surely, 2145087944 is an apocalyptic number.
It is an amenable number.
145087944 is an abundant number, since it is smaller than the sum of its proper divisors (221377176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145087944 is a wasteful number, since it uses less digits than its factorization.
145087944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62429 (or 62425 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 145087944 is about 12045.2457011055. The cubic root of 145087944 is about 525.4649776301.
The spelling of 145087944 in words is "one hundred forty-five million, eighty-seven thousand, nine hundred forty-four".
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