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145321368 = 23347128831
BaseRepresentation
bin10001010100101…
…10110110011000
3101010110002102220
420222112312120
5244200240433
622230424040
73413132313
oct1052266630
9333402386
10145321368
1175037105
1240802020
132415149a
141542b97a
15cb582b3
hex8a96d98

145321368 has 32 divisors (see below), whose sum is σ = 371036160. Its totient is φ = 47409440.

The previous prime is 145321327. The next prime is 145321373. The reversal of 145321368 is 863123541.

It is a super-2 number, since 2×1453213682 = 42236599994782848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 63288 + ... + 65543.

It is an arithmetic number, because the mean of its divisors is an integer number (11594880).

Almost surely, 2145321368 is an apocalyptic number.

It is an amenable number.

145321368 is an abundant number, since it is smaller than the sum of its proper divisors (225714792).

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

145321368 is a wasteful number, since it uses less digits than its factorization.

145321368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128887 (or 128883 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 145321368 is about 12054.9312731347. The cubic root of 145321368 is about 525.7466238603.

The spelling of 145321368 in words is "one hundred forty-five million, three hundred twenty-one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 564 1128 128831 257662 386493 515324 772986 1030648 1545972 3091944 6055057 12110114 18165171 24220228 36330342 48440456 72660684 145321368