745470307243 has 2 divisors, whose sum is σ = 745470307244. Its totient is φ = 745470307242.

The previous prime is 745470307229. The next prime is 745470307301. The reversal of 745470307243 is 342703074547.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745470307243 is a prime.

It is a super-2 number, since 2×745470307243² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745470307193 and 745470307202.

It is not a weakly prime, because it can be changed into another prime (745470301243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372735153621 + 372735153622.

It is an arithmetic number, because the mean of its divisors is an integer number (372735153622).

Almost surely, 2^745470307243 is an apocalyptic number.

745470307243 is a deficient number, since it is larger than the sum of its proper divisors (1).

745470307243 is an equidigital number, since it uses as much as digits as its factorization.

745470307243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 46.

The spelling of 745470307243 in words is "seven hundred forty-five billion, four hundred seventy million, three hundred seven thousand, two hundred forty-three".