30157445743 has 2 divisors, whose sum is σ = 30157445744. Its totient is φ = 30157445742.

The previous prime is 30157445723. The next prime is 30157445789. The reversal of 30157445743 is 34754475103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30157445743 - 2³³ = 21567511151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30157445743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30157445723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15078722871 + 15078722872.

It is an arithmetic number, because the mean of its divisors is an integer number (15078722872).

Almost surely, 2^30157445743 is an apocalyptic number.

30157445743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30157445743 is an equidigital number, since it uses as much as digits as its factorization.

30157445743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 30157445743 in words is "thirty billion, one hundred fifty-seven million, four hundred forty-five thousand, seven hundred forty-three".