445226456365615 has 16 divisors (see below), whose sum is σ = 536830140138336. Its totient is φ = 354477451622400.

The previous prime is 445226456365531. The next prime is 445226456365637. The reversal of 445226456365615 is 516563654622544.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-445226456365615 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115701642 + ... + 119487751.

It is an arithmetic number, because the mean of its divisors is an integer number (33551883758646).

Almost surely, 2^{445226456365615} is an apocalyptic number.

445226456365615 is a deficient number, since it is larger than the sum of its proper divisors (91603683772721).

445226456365615 is a wasteful number, since it uses less digits than its factorization.

445226456365615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235191210.

The product of its digits is 622080000, while the sum is 64.

The spelling of 445226456365615 in words is "four hundred forty-five trillion, two hundred twenty-six billion, four hundred fifty-six million, three hundred sixty-five thousand, six hundred fifteen".