30143142443 has 4 divisors (see below), whose sum is σ = 30148435488. Its totient is φ = 30137849400.

The previous prime is 30143142437. The next prime is 30143142481. The reversal of 30143142443 is 34424134103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30143142443 - 2¹⁴ = 30143126059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30143142343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637971 + ... + 2649372.

It is an arithmetic number, because the mean of its divisors is an integer number (7537108872).

Almost surely, 2^30143142443 is an apocalyptic number.

30143142443 is a deficient number, since it is larger than the sum of its proper divisors (5293045).

30143142443 is an equidigital number, since it uses as much as digits as its factorization.

30143142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293044.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 30143142443 its reverse (34424134103), we get a palindrome (64567276546).

The spelling of 30143142443 in words is "thirty billion, one hundred forty-three million, one hundred forty-two thousand, four hundred forty-three".