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144492 = 22312041
BaseRepresentation
bin100011010001101100
321100012120
4203101230
514110432
63032540
71141155
oct432154
9240176
10144492
1199617
126b750
13509ca
143a92c
152cc2c
hex2346c

144492 has 12 divisors (see below), whose sum is σ = 337176. Its totient is φ = 48160.

The previous prime is 144481. The next prime is 144497. The reversal of 144492 is 294441.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (144497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6009 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (28098).

2144492 is an apocalyptic number.

144492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144492 is an abundant number, since it is smaller than the sum of its proper divisors (192684).

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

144492 is a wasteful number, since it uses less digits than its factorization.

144492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12048 (or 12046 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 144492 is about 380.1210333565. The cubic root of 144492 is about 52.4744546924.

It can be divided in two parts, 144 and 492, that added together give a palindrome (636).

The spelling of 144492 in words is "one hundred forty-four thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 12041 24082 36123 48164 72246 144492