144105461 has 2 divisors, whose sum is σ = 144105462. Its totient is φ = 144105460.

The previous prime is 144105457. The next prime is 144105473. The reversal of 144105461 is 164501441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 31427236 = 10615^2 + 5606^2 .

It is a cyclic number.

It is not a de Polignac number, because 144105461 - 2² = 144105457 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144105461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144105421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72052730 + 72052731.

It is an arithmetic number, because the mean of its divisors is an integer number (72052731).

Almost surely, 2^144105461 is an apocalyptic number.

It is an amenable number.

144105461 is a deficient number, since it is larger than the sum of its proper divisors (1).

144105461 is an equidigital number, since it uses as much as digits as its factorization.

144105461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 144105461 is about 12004.3934040834. The cubic root of 144105461 is about 524.2762041027.

The spelling of 144105461 in words is "one hundred forty-four million, one hundred five thousand, four hundred sixty-one".