745871543228 has 96 divisors (see below), whose sum is σ = 1597387760640. Its totient is φ = 297611159040.

The previous prime is 745871543201. The next prime is 745871543243. The reversal of 745871543228 is 822345178547.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39679400 + ... + 39698192.

It is an arithmetic number, because the mean of its divisors is an integer number (16639455840).

Almost surely, 2^745871543228 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 745871543228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798693880320).

745871543228 is an abundant number, since it is smaller than the sum of its proper divisors (851516217412).

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

745871543228 is a wasteful number, since it uses less digits than its factorization.

745871543228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107 (or 20105 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 56.

The spelling of 745871543228 in words is "seven hundred forty-five billion, eight hundred seventy-one million, five hundred forty-three thousand, two hundred twenty-eight".