745812285456 has 160 divisors (see below), whose sum is σ = 2228346265600. Its totient is φ = 210539409408.

The previous prime is 745812285397. The next prime is 745812285457. The reversal of 745812285456 is 654582218547.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 745812285396 and 745812285405.

It is not an unprimeable number, because it can be changed into a prime (745812285457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19764495 + ... + 19802193.

It is an arithmetic number, because the mean of its divisors is an integer number (13927164160).

Almost surely, 2^745812285456 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 745812285456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114173132800).

745812285456 is an abundant number, since it is smaller than the sum of its proper divisors (1482533980144).

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

745812285456 is a wasteful number, since it uses less digits than its factorization.

745812285456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38421 (or 38415 counting only the distinct ones).

The product of its digits is 21504000, while the sum is 57.

The spelling of 745812285456 in words is "seven hundred forty-five billion, eight hundred twelve million, two hundred eighty-five thousand, four hundred fifty-six".