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145614648 = 23347167773
BaseRepresentation
bin10001010110111…
…10011100111000
3101010222222202010
420223132130320
5244234132043
622241005520
73415463334
oct1053363470
9333888663
10145614648
1175217493
12409238a0
1324224b1a
14154a67c4
15cbb5133
hex8ade738

145614648 has 64 divisors (see below), whose sum is σ = 374492160. Its totient is φ = 47159936.

The previous prime is 145614607. The next prime is 145614659. The reversal of 145614648 is 846416541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187990 + ... + 188762.

It is an arithmetic number, because the mean of its divisors is an integer number (5851440).

Almost surely, 2145614648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145614648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187246080).

145614648 is an abundant number, since it is smaller than the sum of its proper divisors (228877512).

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

145614648 is a wasteful number, since it uses less digits than its factorization.

145614648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 145614648 is about 12067.0894585231. The cubic root of 145614648 is about 526.1000643336.

The spelling of 145614648 in words is "one hundred forty-five million, six hundred fourteen thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 167 188 282 334 376 501 564 668 773 1002 1128 1336 1546 2004 2319 3092 4008 4638 6184 7849 9276 15698 18552 23547 31396 36331 47094 62792 72662 94188 108993 129091 145324 188376 217986 258182 290648 387273 435972 516364 774546 871944 1032728 1549092 3098184 6067277 12134554 18201831 24269108 36403662 48538216 72807324 145614648