143242622261 has 2 divisors, whose sum is σ = 143242622262. Its totient is φ = 143242622260.

The previous prime is 143242622221. The next prime is 143242622287. The reversal of 143242622261 is 162226242341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103150168900 + 40092453361 = 321170^2 + 200231^2 .

It is a cyclic number.

It is not a de Polignac number, because 143242622261 - 2⁶ = 143242622197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143242622221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71621311130 + 71621311131.

It is an arithmetic number, because the mean of its divisors is an integer number (71621311131).

Almost surely, 2^143242622261 is an apocalyptic number.

It is an amenable number.

143242622261 is a deficient number, since it is larger than the sum of its proper divisors (1).

143242622261 is an equidigital number, since it uses as much as digits as its factorization.

143242622261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The spelling of 143242622261 in words is "one hundred forty-three billion, two hundred forty-two million, six hundred twenty-two thousand, two hundred sixty-one".