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144445 = 574127
BaseRepresentation
bin100011010000111101
321100010211
4203100331
514110240
63032421
71141060
oct432075
9240124
10144445
1199584
126b711
1350992
143a8d7
152cbea
hex2343d

144445 has 8 divisors (see below), whose sum is σ = 198144. Its totient is φ = 99024.

The previous prime is 144439. The next prime is 144451. The reversal of 144445 is 544441.

144445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144439) and next prime (144451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144445 - 25 = 144413 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

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, 2029 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (24768).

2144445 is an apocalyptic number.

It is an amenable number.

144445 is a deficient number, since it is larger than the sum of its proper divisors (53699).

144445 is an equidigital number, since it uses as much as digits as its factorization.

144445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139.

The product of its digits is 1280, while the sum is 22.

The square root of 144445 is about 380.0592059140. The cubic root of 144445 is about 52.4687644885.

Adding to 144445 its reverse (544441), we get a palindrome (688886).

It can be divided in two parts, 1444 and 45, that multiplied together give a triangular number (64980 = T360).

The spelling of 144445 in words is "one hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 7 35 4127 20635 28889 144445