445756656742522 has 8 divisors (see below), whose sum is σ = 691691363910900. Its totient is φ = 215192868772224.

The previous prime is 445756656742499. The next prime is 445756656742591. The reversal of 445756656742522 is 225247656657544.

It can be written as a sum of positive squares in 2 ways, for example, as 424121032451601 + 21635624290921 = 20594199^2 + 4651411^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842729799447 + ... + 3842729799562.

Almost surely, 2^{445756656742522} is an apocalyptic number.

445756656742522 is a deficient number, since it is larger than the sum of its proper divisors (245934707168378).

445756656742522 is a wasteful number, since it uses less digits than its factorization.

445756656742522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685459599040.

The product of its digits is 3386880000, while the sum is 70.

The spelling of 445756656742522 in words is "four hundred forty-five trillion, seven hundred fifty-six billion, six hundred fifty-six million, seven hundred forty-two thousand, five hundred twenty-two".