1245345223033 has 2 divisors, whose sum is σ = 1245345223034. Its totient is φ = 1245345223032.

The previous prime is 1245345222991. The next prime is 1245345223043. The reversal of 1245345223033 is 3303225435421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224658729449 + 20686493584 = 1106643^2 + 143828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245345223033 - 2⁹ = 1245345222521 is a prime.

It is a super-2 number, since 2×1245345223033² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1245345222983 and 1245345223001.

It is not a weakly prime, because it can be changed into another prime (1245345223043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622672611516 + 622672611517.

It is an arithmetic number, because the mean of its divisors is an integer number (622672611517).

Almost surely, 2^{1245345223033} is an apocalyptic number.

It is an amenable number.

1245345223033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245345223033 is an equidigital number, since it uses as much as digits as its factorization.

1245345223033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 1245345223033 in words is "one trillion, two hundred forty-five billion, three hundred forty-five million, two hundred twenty-three thousand, thirty-three".