146263806553 has 2 divisors, whose sum is σ = 146263806554. Its totient is φ = 146263806552.

The previous prime is 146263806529. The next prime is 146263806569. The reversal of 146263806553 is 355608362641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85631146384 + 60632660169 = 292628^2 + 246237^2 .

It is a cyclic number.

It is not a de Polignac number, because 146263806553 - 2⁹ = 146263806041 is a prime.

It is a super-2 number, since 2×146263806553² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146263806497 and 146263806506.

It is not a weakly prime, because it can be changed into another prime (146263806583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73131903276 + 73131903277.

It is an arithmetic number, because the mean of its divisors is an integer number (73131903277).

Almost surely, 2^146263806553 is an apocalyptic number.

It is an amenable number.

146263806553 is a deficient number, since it is larger than the sum of its proper divisors (1).

146263806553 is an equidigital number, since it uses as much as digits as its factorization.

146263806553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 146263806553 in words is "one hundred forty-six billion, two hundred sixty-three million, eight hundred six thousand, five hundred fifty-three".