30446457143 has 2 divisors, whose sum is σ = 30446457144. Its totient is φ = 30446457142.

The previous prime is 30446457137. The next prime is 30446457169. The reversal of 30446457143 is 34175464403.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30446457143 - 2⁶ = 30446457079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30446457143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30446457133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15223228571 + 15223228572.

It is an arithmetic number, because the mean of its divisors is an integer number (15223228572).

Almost surely, 2^30446457143 is an apocalyptic number.

30446457143 is a deficient number, since it is larger than the sum of its proper divisors (1).

30446457143 is an equidigital number, since it uses as much as digits as its factorization.

30446457143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 30446457143 in words is "thirty billion, four hundred forty-six million, four hundred fifty-seven thousand, one hundred forty-three".