153442215025447 has 2 divisors, whose sum is σ = 153442215025448. Its totient is φ = 153442215025446.

The previous prime is 153442215025439. The next prime is 153442215025481. The reversal of 153442215025447 is 744520512244351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 153442215025447 - 2³ = 153442215025439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153442215025447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153442215025247) 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, 76721107512723 + 76721107512724.

It is an arithmetic number, because the mean of its divisors is an integer number (76721107512724).

Almost surely, 2^{153442215025447} is an apocalyptic number.

153442215025447 is a deficient number, since it is larger than the sum of its proper divisors (1).

153442215025447 is an equidigital number, since it uses as much as digits as its factorization.

153442215025447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376000, while the sum is 49.

Adding to 153442215025447 its reverse (744520512244351), we get a palindrome (897962727269798).

The spelling of 153442215025447 in words is "one hundred fifty-three trillion, four hundred forty-two billion, two hundred fifteen million, twenty-five thousand, four hundred forty-seven".