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145432566 = 23271113797
BaseRepresentation
bin10001010101100…
…01111111110110
3101010122201222100
420222301333312
5244212320231
622233042530
73414104436
oct1052617766
9333581870
10145432566
1175102704
1240856446
132418cc96
141545a2c6
15cb7b1e6
hex8ab1ff6

145432566 has 24 divisors (see below), whose sum is σ = 319544784. Its totient is φ = 47794320.

The previous prime is 145432561. The next prime is 145432597. The reversal of 145432566 is 665234541.

145432566 is a `hidden beast` number, since 14 + 54 + 32 + 566 = 666.

145432566 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145432566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145432561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55621 + ... + 58176.

It is an arithmetic number, because the mean of its divisors is an integer number (13314366).

Almost surely, 2145432566 is an apocalyptic number.

145432566 is an abundant number, since it is smaller than the sum of its proper divisors (174112218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145432566 is a wasteful number, since it uses less digits than its factorization.

145432566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113876 (or 113873 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 145432566 is about 12059.5425286368. The cubic root of 145432566 is about 525.8806878060.

The spelling of 145432566 in words is "one hundred forty-five million, four hundred thirty-two thousand, five hundred sixty-six".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 113797 227594 341391 682782 1024173 2048346 8079587 16159174 24238761 48477522 72716283 145432566