445427742063515 has 16 divisors (see below), whose sum is σ = 552945747019680. Its totient is φ = 344053932122880.

The previous prime is 445427742063503. The next prime is 445427742063523. The reversal of 445427742063515 is 515360247724544.

It is a happy number.

It is not a de Polignac number, because 445427742063515 - 2⁸ = 445427742063259 is a prime.

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, 92405807 + ... + 97106583.

It is an arithmetic number, because the mean of its divisors is an integer number (34559109188730).

Almost surely, 2^{445427742063515} is an apocalyptic number.

445427742063515 is a deficient number, since it is larger than the sum of its proper divisors (107518004956165).

445427742063515 is a wasteful number, since it uses less digits than its factorization.

445427742063515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354302.

The product of its (nonzero) digits is 112896000, while the sum is 59.

The spelling of 445427742063515 in words is "four hundred forty-five trillion, four hundred twenty-seven billion, seven hundred forty-two million, sixty-three thousand, five hundred fifteen".