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145563026 = 27430313
BaseRepresentation
bin10001010110100…
…01110110010010
3101010220100221012
420223101312102
5244231004101
622235530522
73415160000
oct1053216622
9333810835
10145563026
1175191724
12408b9a42
132420748b
1415491a70
15cba4bbb
hex8ad1d92

145563026 has 20 divisors (see below), whose sum is σ = 254728542. Its totient is φ = 62382096.

The previous prime is 145563023. The next prime is 145563029. The reversal of 145563026 is 620365541.

It is an interprime number because it is at equal distance from previous prime (145563023) and next prime (145563029).

It can be written as a sum of positive squares in only one way, i.e., 95082001 + 50481025 = 9751^2 + 7105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145562983 and 145563001.

It is not an unprimeable number, because it can be changed into a prime (145563023) 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 9 ways as a sum of consecutive naturals, for example, 10355 + ... + 19958.

Almost surely, 2145563026 is an apocalyptic number.

145563026 is a deficient number, since it is larger than the sum of its proper divisors (109165516).

145563026 is an frugal number, since it uses more digits than its factorization.

145563026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30343 (or 30322 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 145563026 is about 12064.9503107141. The cubic root of 145563026 is about 526.0378875589.

The spelling of 145563026 in words is "one hundred forty-five million, five hundred sixty-three thousand, twenty-six".

Divisors: 1 2 7 14 49 98 343 686 2401 4802 30313 60626 212191 424382 1485337 2970674 10397359 20794718 72781513 145563026