745808546 has 32 divisors (see below), whose sum is σ = 1291997952. Its totient is φ = 316281600.

The previous prime is 745808533. The next prime is 745808597. The reversal of 745808546 is 645808547.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 745808546.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152395 + ... + 1153041.

It is an arithmetic number, because the mean of its divisors is an integer number (40374936).

Almost surely, 2^745808546 is an apocalyptic number.

745808546 is a deficient number, since it is larger than the sum of its proper divisors (546189406).

745808546 is a wasteful number, since it uses less digits than its factorization.

745808546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 745808546 is about 27309.4955281126. The cubic root of 745808546 is about 906.8646053266.

Subtracting from 745808546 its reverse (645808547), we obtain a palindrome (99999999).

The spelling of 745808546 in words is "seven hundred forty-five million, eight hundred eight thousand, five hundred forty-six".