153302244345421 has 2 divisors, whose sum is σ = 153302244345422. Its totient is φ = 153302244345420.

The previous prime is 153302244345403. The next prime is 153302244345449. The reversal of 153302244345421 is 124543442203351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148747562756521 + 4554681588900 = 12196211^2 + 2134170^2 .

It is a cyclic number.

It is not a de Polignac number, because 153302244345421 - 2³⁵ = 153267884607053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153302244345491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76651122172710 + 76651122172711.

It is an arithmetic number, because the mean of its divisors is an integer number (76651122172711).

Almost surely, 2^{153302244345421} is an apocalyptic number.

It is an amenable number.

153302244345421 is a deficient number, since it is larger than the sum of its proper divisors (1).

153302244345421 is an equidigital number, since it uses as much as digits as its factorization.

153302244345421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 153302244345421 its reverse (124543442203351), we get a palindrome (277845686548772).

The spelling of 153302244345421 in words is "one hundred fifty-three trillion, three hundred two billion, two hundred forty-four million, three hundred forty-five thousand, four hundred twenty-one".