745564465548 has 192 divisors, whose sum is σ = 2254604083200. Its totient is φ = 208664216640.

The previous prime is 745564465511. The next prime is 745564465559. The reversal of 745564465548 is 845564465547.

745564465548 is a `hidden beast` number, since 7 + 4 + 5 + 564 + 4 + 65 + 5 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9025593 + ... + 9107823.

It is an arithmetic number, because the mean of its divisors is an integer number (11742729600).

Almost surely, 2^745564465548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745564465548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127302041600).

745564465548 is an abundant number, since it is smaller than the sum of its proper divisors (1509039617652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745564465548 is a wasteful number, since it uses less digits than its factorization.

745564465548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82497 (or 82489 counting only the distinct ones).

The product of its digits is 322560000, while the sum is 63.

Subtracting 745564465548 from its reverse (845564465547), we obtain a palindrome (99999999999).

The spelling of 745564465548 in words is "seven hundred forty-five billion, five hundred sixty-four million, four hundred sixty-five thousand, five hundred forty-eight".