745607856258 has 12 divisors (see below), whose sum is σ = 1615483688598. Its totient is φ = 248535952080.

The previous prime is 745607856247. The next prime is 745607856299. The reversal of 745607856258 is 852658706547.

745607856258 is a `hidden beast` number, since 7 + 4 + 5 + 60 + 7 + 8 + 562 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 707511452769 + 38096403489 = 841137^2 + 195183^2 .

It is a junction number, because it is equal to n+sod(n) for n = 745607856195 and 745607856204.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20711329323 + ... + 20711329358.

Almost surely, 2^745607856258 is an apocalyptic number.

745607856258 is an abundant number, since it is smaller than the sum of its proper divisors (869875832340).

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

745607856258 is a wasteful number, since it uses less digits than its factorization.

745607856258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41422658689 (or 41422658686 counting only the distinct ones).

The product of its (nonzero) digits is 112896000, while the sum is 63.

The spelling of 745607856258 in words is "seven hundred forty-five billion, six hundred seven million, eight hundred fifty-six thousand, two hundred fifty-eight".