30144142141 has 4 divisors (see below), whose sum is σ = 30233590972. Its totient is φ = 30054693312.

The previous prime is 30144142129. The next prime is 30144142159. The reversal of 30144142141 is 14124144103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14124144103 = 25997 ⋅543299.

It can be written as a sum of positive squares in 2 ways, for example, as 14730919641 + 15413222500 = 121371^2 + 124150^2 .

It is a cyclic number.

It is not a de Polignac number, because 30144142141 - 2⁷ = 30144142013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144142121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44723910 + ... + 44724583.

It is an arithmetic number, because the mean of its divisors is an integer number (7558397743).

Almost surely, 2^30144142141 is an apocalyptic number.

It is an amenable number.

30144142141 is a deficient number, since it is larger than the sum of its proper divisors (89448831).

30144142141 is an equidigital number, since it uses as much as digits as its factorization.

30144142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89448830.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 30144142141 its reverse (14124144103), we get a palindrome (44268286244).

The spelling of 30144142141 in words is "thirty billion, one hundred forty-four million, one hundred forty-two thousand, one hundred forty-one".