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144556 = 2271509
BaseRepresentation
bin100011010010101100
321100021221
4203102230
514111211
63033124
71141306
oct432254
9240257
10144556
1199675
126b7a4
1350a49
143a976
152cc71
hex234ac

144556 has 12 divisors (see below), whose sum is σ = 257040. Its totient is φ = 71120.

The previous prime is 144541. The next prime is 144563. The reversal of 144556 is 655441.

It is a plaindrome in base 10 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 144556.

It is a congruent number.

It is an unprimeable number.

144556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (21420).

2144556 is an apocalyptic number.

It is an amenable number.

144556 is a deficient number, since it is larger than the sum of its proper divisors (112484).

144556 is a wasteful number, since it uses less digits than its factorization.

144556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 144556 is about 380.2052077497. The cubic root of 144556 is about 52.4822010714.

Adding to 144556 its reverse (655441), we get a palindrome (799997).

The spelling of 144556 in words is "one hundred forty-four thousand, five hundred fifty-six".

Divisors: 1 2 4 71 142 284 509 1018 2036 36139 72278 144556