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145560 = 23351213
BaseRepresentation
bin100011100010011000
321101200010
4203202120
514124220
63041520
71144242
oct434230
9241603
10145560
119a3a8
12702a0
135133c
143b092
152d1e0
hex23898

145560 has 32 divisors (see below), whose sum is σ = 437040. Its totient is φ = 38784.

The previous prime is 145549. The next prime is 145577. The reversal of 145560 is 65541.

It is a happy number.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

145560 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487 + ... + 726.

2145560 is an apocalyptic number.

145560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145560 is an abundant number, since it is smaller than the sum of its proper divisors (291480).

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

145560 is a wasteful number, since it uses less digits than its factorization.

145560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145560 is about 381.5232627246. The cubic root of 145560 is about 52.6034242399.

The spelling of 145560 in words is "one hundred forty-five thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1213 2426 3639 4852 6065 7278 9704 12130 14556 18195 24260 29112 36390 48520 72780 145560