30143142437 has 2 divisors, whose sum is σ = 30143142438. Its totient is φ = 30143142436.

The previous prime is 30143142431. The next prime is 30143142481. The reversal of 30143142437 is 73424134103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30125156356 + 17986081 = 173566^2 + 4241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30143142437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30143142431) 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, 15071571218 + 15071571219.

It is an arithmetic number, because the mean of its divisors is an integer number (15071571219).

Almost surely, 2^30143142437 is an apocalyptic number.

It is an amenable number.

30143142437 is a deficient number, since it is larger than the sum of its proper divisors (1).

30143142437 is an equidigital number, since it uses as much as digits as its factorization.

30143142437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 30143142437 in words is "thirty billion, one hundred forty-three million, one hundred forty-two thousand, four hundred thirty-seven".