745138382 has 16 divisors (see below), whose sum is σ = 1155866112. Its totient is φ = 359893560.

The previous prime is 745138379. The next prime is 745138391. The reversal of 745138382 is 283831547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24233 + ... + 45579.

It is an arithmetic number, because the mean of its divisors is an integer number (72241632).

Almost surely, 2^745138382 is an apocalyptic number.

745138382 is a deficient number, since it is larger than the sum of its proper divisors (410727730).

745138382 is a wasteful number, since it uses less digits than its factorization.

745138382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21943.

The product of its digits is 161280, while the sum is 41.

The square root of 745138382 is about 27297.2229723098. Note that the first 3 decimals coincide. The cubic root of 745138382 is about 906.5928956762.

The spelling of 745138382 in words is "seven hundred forty-five million, one hundred thirty-eight thousand, three hundred eighty-two".