143394650461 has 2 divisors, whose sum is σ = 143394650462. Its totient is φ = 143394650460.

The previous prime is 143394650449. The next prime is 143394650489. The reversal of 143394650461 is 164056493341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139222265625 + 4172384836 = 373125^2 + 64594^2 .

It is a cyclic number.

It is not a de Polignac number, because 143394650461 - 2³⁵ = 109034912093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143394650411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71697325230 + 71697325231.

It is an arithmetic number, because the mean of its divisors is an integer number (71697325231).

Almost surely, 2^143394650461 is an apocalyptic number.

It is an amenable number.

143394650461 is a deficient number, since it is larger than the sum of its proper divisors (1).

143394650461 is an equidigital number, since it uses as much as digits as its factorization.

143394650461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 143394650461 in words is "one hundred forty-three billion, three hundred ninety-four million, six hundred fifty thousand, four hundred sixty-one".