743643230245 has 8 divisors (see below), whose sum is σ = 904596149016. Its totient is φ = 586765069056.

The previous prime is 743643230243. The next prime is 743643230299. The reversal of 743643230245 is 542032346347.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16713059841 + 726930170404 = 129279^2 + 852602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 743643230245 - 2¹ = 743643230243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743643230243) 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 in 7 ways as a sum of consecutive naturals, for example, 1018688992 + ... + 1018689721.

It is an arithmetic number, because the mean of its divisors is an integer number (113074518627).

Almost surely, 2^743643230245 is an apocalyptic number.

It is an amenable number.

743643230245 is a deficient number, since it is larger than the sum of its proper divisors (160952918771).

743643230245 is a wasteful number, since it uses less digits than its factorization.

743643230245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037378791.

The product of its (nonzero) digits is 1451520, while the sum is 43.

The spelling of 743643230245 in words is "seven hundred forty-three billion, six hundred forty-three million, two hundred thirty thousand, two hundred forty-five".