30144140288557 has 2 divisors, whose sum is σ = 30144140288558. Its totient is φ = 30144140288556.

The previous prime is 30144140288551. The next prime is 30144140288593. The reversal of 30144140288557 is 75588204144103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20654943442441 + 9489196846116 = 4544771^2 + 3080454^2 .

It is a cyclic number.

It is not a de Polignac number, because 30144140288557 - 2²³ = 30144131899949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30144140288551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072070144278 + 15072070144279.

It is an arithmetic number, because the mean of its divisors is an integer number (15072070144279).

Almost surely, 2^{30144140288557} is an apocalyptic number.

It is an amenable number.

30144140288557 is a deficient number, since it is larger than the sum of its proper divisors (1).

30144140288557 is an equidigital number, since it uses as much as digits as its factorization.

30144140288557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 30144140288557 in words is "thirty trillion, one hundred forty-four billion, one hundred forty million, two hundred eighty-eight thousand, five hundred fifty-seven".