745660131226 has 8 divisors (see below), whose sum is σ = 1118543722164. Its totient is φ = 372812223840.

The previous prime is 745660131217. The next prime is 745660131247. The reversal of 745660131226 is 622131066547.

It can be written as a sum of positive squares in 2 ways, for example, as 730247157025 + 15412974201 = 854545^2 + 124149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8868585 + ... + 8952268.

Almost surely, 2^745660131226 is an apocalyptic number.

745660131226 is a deficient number, since it is larger than the sum of its proper divisors (372883590938).

745660131226 is a wasteful number, since it uses less digits than its factorization.

745660131226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841776.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 745660131226 in words is "seven hundred forty-five billion, six hundred sixty million, one hundred thirty-one thousand, two hundred twenty-six".