145562561233 has 2 divisors, whose sum is σ = 145562561234. Its totient is φ = 145562561232.

The previous prime is 145562561219. The next prime is 145562561279. The reversal of 145562561233 is 332165265541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143282689729 + 2279871504 = 378527^2 + 47748^2 .

It is a cyclic number.

It is not a de Polignac number, because 145562561233 - 2¹⁷ = 145562430161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145562561233.

It is not a weakly prime, because it can be changed into another prime (145562564233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72781280616 + 72781280617.

It is an arithmetic number, because the mean of its divisors is an integer number (72781280617).

Almost surely, 2^145562561233 is an apocalyptic number.

It is an amenable number.

145562561233 is a deficient number, since it is larger than the sum of its proper divisors (1).

145562561233 is an equidigital number, since it uses as much as digits as its factorization.

145562561233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 43.

The spelling of 145562561233 in words is "one hundred forty-five billion, five hundred sixty-two million, five hundred sixty-one thousand, two hundred thirty-three".