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145112 = 23111797
BaseRepresentation
bin100011011011011000
321101001112
4203123120
514120422
63035452
71143032
oct433330
9241045
10145112
119a030
126bb88
1351086
143ac52
152cee2
hex236d8

145112 has 32 divisors (see below), whose sum is σ = 317520. Its totient is φ = 61440.

The previous prime is 145109. The next prime is 145121. The reversal of 145112 is 211541.

145112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 1544.

2145112 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 145112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158760).

145112 is an abundant number, since it is smaller than the sum of its proper divisors (172408).

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

145112 is a wasteful number, since it uses less digits than its factorization.

145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 127 counting only the distinct ones).

The product of its digits is 40, while the sum is 14.

The square root of 145112 is about 380.9356901105. The cubic root of 145112 is about 52.5494017229.

Adding to 145112 its reverse (211541), we get a palindrome (356653).

The spelling of 145112 in words is "one hundred forty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 97 136 187 194 374 388 748 776 1067 1496 1649 2134 3298 4268 6596 8536 13192 18139 36278 72556 145112