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145648368 = 243612487
BaseRepresentation
bin10001010111001…
…10101011110000
3101011001201000000
420223212223300
5244241221433
622241430000
73415663545
oct1053465360
9334051000
10145648368
117523a858
124093b300
1324237288
14154b4bcc
15cbc0113
hex8ae6af0

145648368 has 70 divisors (see below), whose sum is σ = 423130904. Its totient is φ = 48545568.

The previous prime is 145648361. The next prime is 145648369. The reversal of 145648368 is 863846541.

145648368 is a `hidden beast` number, since 1 + 4 + 564 + 83 + 6 + 8 = 666.

145648368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145648361) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5421 + ... + 17907.

Almost surely, 2145648368 is an apocalyptic number.

145648368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145648368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211565452).

145648368 is an abundant number, since it is smaller than the sum of its proper divisors (277482536).

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

145648368 is an equidigital number, since it uses as much as digits as its factorization.

145648368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513 (or 12492 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 145648368 is about 12068.4865662601. The cubic root of 145648368 is about 526.1406708825.

The spelling of 145648368 in words is "one hundred forty-five million, six hundred forty-eight thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1944 2916 3888 5832 11664 12487 24974 37461 49948 74922 99896 112383 149844 199792 224766 299688 337149 449532 599376 674298 899064 1011447 1348596 1798128 2022894 2697192 3034341 4045788 5394384 6068682 8091576 9103023 12137364 16183152 18206046 24274728 36412092 48549456 72824184 145648368