745774575138 has 24 divisors (see below), whose sum is σ = 1623090862848. Its totient is φ = 247476763512.

The previous prime is 745774575079. The next prime is 745774575179. The reversal of 745774575138 is 831575477547.

745774575138 is a `hidden beast` number, since 7 + 4 + 5 + 77 + 45 + 7 + 513 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92892670 + ... + 92900697.

It is an arithmetic number, because the mean of its divisors is an integer number (67628785952).

Almost surely, 2^745774575138 is an apocalyptic number.

745774575138 is an abundant number, since it is smaller than the sum of its proper divisors (877316287710).

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

745774575138 is a wasteful number, since it uses less digits than its factorization.

745774575138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185793598 (or 185793595 counting only the distinct ones).

The product of its digits is 115248000, while the sum is 63.

The spelling of 745774575138 in words is "seven hundred forty-five billion, seven hundred seventy-four million, five hundred seventy-five thousand, one hundred thirty-eight".