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144069 = 348023
BaseRepresentation
bin100011001011000101
321022121220
4203023011
514102234
63030553
71140012
oct431305
9238556
10144069
1199272
126b459
1350763
143a709
152ca49
hex232c5

144069 has 4 divisors (see below), whose sum is σ = 192096. Its totient is φ = 96044.

The previous prime is 144061. The next prime is 144071. The reversal of 144069 is 960441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144069 - 23 = 144061 is a prime.

It is a super-2 number, since 2×1440692 = 41511753522, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144061) 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, 24009 + ... + 24014.

It is an arithmetic number, because the mean of its divisors is an integer number (48024).

2144069 is an apocalyptic number.

It is an amenable number.

144069 is a deficient number, since it is larger than the sum of its proper divisors (48027).

144069 is an equidigital number, since it uses as much as digits as its factorization.

144069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48026.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 144069 is about 379.5642238146. The cubic root of 144069 is about 52.4231983602.

The spelling of 144069 in words is "one hundred forty-four thousand, sixty-nine".

Divisors: 1 3 48023 144069