745518843 has 8 divisors (see below), whose sum is σ = 1104472400. Its totient is φ = 497012544.

The previous prime is 745518797. The next prime is 745518847. The reversal of 745518843 is 348815547.

It is not a de Polignac number, because 745518843 - 2⁹ = 745518331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745518847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13805878 + ... + 13805931.

It is an arithmetic number, because the mean of its divisors is an integer number (138059050).

Almost surely, 2^745518843 is an apocalyptic number.

745518843 is a deficient number, since it is larger than the sum of its proper divisors (358953557).

745518843 is a wasteful number, since it uses less digits than its factorization.

745518843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27611818 (or 27611812 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 745518843 is about 27304.1909420514. The cubic root of 745518843 is about 906.7471688331.

The spelling of 745518843 in words is "seven hundred forty-five million, five hundred eighteen thousand, eight hundred forty-three".