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145012 = 2275179
BaseRepresentation
bin100011011001110100
321100220211
4203121310
514120022
63035204
71142530
oct433164
9240824
10145012
1199a4a
126bb04
135100a
143abc0
152ce77
hex23674

145012 has 12 divisors (see below), whose sum is σ = 290080. Its totient is φ = 62136.

The previous prime is 145009. The next prime is 145021. The reversal of 145012 is 210541.

145012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

145012 is an admirable number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 144983 and 145001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2562 + ... + 2617.

2145012 is an apocalyptic number.

It is an amenable number.

145012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145012 is a wasteful number, since it uses less digits than its factorization.

145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 145012 is about 380.8044117391. The cubic root of 145012 is about 52.5373279506.

Adding to 145012 its reverse (210541), we get a palindrome (355553).

The spelling of 145012 in words is "one hundred forty-five thousand, twelve".

Divisors: 1 2 4 7 14 28 5179 10358 20716 36253 72506 145012