146353321521557 has 2 divisors, whose sum is σ = 146353321521558. Its totient is φ = 146353321521556.

The previous prime is 146353321521529. The next prime is 146353321521569. The reversal of 146353321521557 is 755125123353641.

It is a happy number.

146353321521557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111642912986641 + 34710408534916 = 10566121^2 + 5891554^2 .

It is a cyclic number.

It is not a de Polignac number, because 146353321521557 - 2²⁰ = 146353320472981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146353321521499 and 146353321521508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146353321521157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73176660760778 + 73176660760779.

It is an arithmetic number, because the mean of its divisors is an integer number (73176660760779).

Almost surely, 2^{146353321521557} is an apocalyptic number.

It is an amenable number.

146353321521557 is a deficient number, since it is larger than the sum of its proper divisors (1).

146353321521557 is an equidigital number, since it uses as much as digits as its factorization.

146353321521557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340000, while the sum is 53.

The spelling of 146353321521557 in words is "one hundred forty-six trillion, three hundred fifty-three billion, three hundred twenty-one million, five hundred twenty-one thousand, five hundred fifty-seven".