445764502734445 has 4 divisors (see below), whose sum is σ = 534917403281340. Its totient is φ = 356611602187552.

The previous prime is 445764502734413. The next prime is 445764502734469. The reversal of 445764502734445 is 544437205467544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254096288398404 + 191668214336041 = 15940398^2 + 13844429^2 .

It is a cyclic number.

It is not a de Polignac number, because 445764502734445 - 2⁵ = 445764502734413 is a prime.

It is a congruent number.

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, 44576450273440 + ... + 44576450273449.

It is an arithmetic number, because the mean of its divisors is an integer number (133729350820335).

Almost surely, 2^{445764502734445} is an apocalyptic number.

It is an amenable number.

445764502734445 is a deficient number, since it is larger than the sum of its proper divisors (89152900546895).

445764502734445 is an equidigital number, since it uses as much as digits as its factorization.

445764502734445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89152900546894.

The product of its (nonzero) digits is 903168000, while the sum is 64.

The spelling of 445764502734445 in words is "four hundred forty-five trillion, seven hundred sixty-four billion, five hundred two million, seven hundred thirty-four thousand, four hundred forty-five".