144699996461 has 2 divisors, whose sum is σ = 144699996462. Its totient is φ = 144699996460.

The previous prime is 144699996431. The next prime is 144699996499. The reversal of 144699996461 is 164699996441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122924567236 + 21775429225 = 350606^2 + 147565^2 .

It is a cyclic number.

It is not a de Polignac number, because 144699996461 - 2³⁴ = 127520127277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144699996391 and 144699996400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144699996431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72349998230 + 72349998231.

It is an arithmetic number, because the mean of its divisors is an integer number (72349998231).

Almost surely, 2^144699996461 is an apocalyptic number.

It is an amenable number.

144699996461 is a deficient number, since it is larger than the sum of its proper divisors (1).

144699996461 is an equidigital number, since it uses as much as digits as its factorization.

144699996461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90699264, while the sum is 68.

The spelling of 144699996461 in words is "one hundred forty-four billion, six hundred ninety-nine million, nine hundred ninety-six thousand, four hundred sixty-one".