745452246338 has 18 divisors (see below), whose sum is σ = 1124723730987. Its totient is φ = 370556970480.

The previous prime is 745452246283. The next prime is 745452246373. The reversal of 745452246338 is 833642254547.

It can be written as a sum of positive squares in 5 ways, for example, as 374075354689 + 371376891649 = 611617^2 + 609407^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=610513.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745452246338.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 221004020 + ... + 221007392.

Almost surely, 2^745452246338 is an apocalyptic number.

745452246338 is a deficient number, since it is larger than the sum of its proper divisors (379271484649).

745452246338 is an frugal number, since it uses more digits than its factorization.

745452246338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110 (or 3556 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 53.

The spelling of 745452246338 in words is "seven hundred forty-five billion, four hundred fifty-two million, two hundred forty-six thousand, three hundred thirty-eight".