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BaseRepresentation
bin100011010001001101
321100011102
4203101031
514110321
63032445
71141112
oct432115
9240142
10144461
1199599
126b725
13509a5
143a909
152cc0b
hex2344d

144461 has 2 divisors, whose sum is σ = 144462. Its totient is φ = 144460.

The previous prime is 144451. The next prime is 144479. The reversal of 144461 is 164441.

It is a happy number.

144461 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133225 + 11236 = 365^2 + 106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144461 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72230 + 72231.

It is an arithmetic number, because the mean of its divisors is an integer number (72231).

2144461 is an apocalyptic number.

It is an amenable number.

144461 is a deficient number, since it is larger than the sum of its proper divisors (1).

144461 is an equidigital number, since it uses as much as digits as its factorization.

144461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 144461 is about 380.0802546831. The cubic root of 144461 is about 52.4707017178.

Subtracting from 144461 its sum of digits (20), we obtain a palindrome (144441).

The spelling of 144461 in words is "one hundred forty-four thousand, four hundred sixty-one".