745225971143 has 2 divisors, whose sum is σ = 745225971144. Its totient is φ = 745225971142.

The previous prime is 745225971137. The next prime is 745225971157. The reversal of 745225971143 is 341179522547.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745225971143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745225971091 and 745225971100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745225971443) 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, 372612985571 + 372612985572.

It is an arithmetic number, because the mean of its divisors is an integer number (372612985572).

Almost surely, 2^745225971143 is an apocalyptic number.

745225971143 is a deficient number, since it is larger than the sum of its proper divisors (1).

745225971143 is an equidigital number, since it uses as much as digits as its factorization.

745225971143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 50.

The spelling of 745225971143 in words is "seven hundred forty-five billion, two hundred twenty-five million, nine hundred seventy-one thousand, one hundred forty-three".