445136462642 has 8 divisors (see below), whose sum is σ = 667737554796. Its totient is φ = 222557277712.

The previous prime is 445136462633. The next prime is 445136462737. The reversal of 445136462642 is 246264631544.

It can be written as a sum of positive squares in 2 ways, for example, as 434516954041 + 10619508601 = 659179^2 + 103051^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5425913 + ... + 5507340.

Almost surely, 2^445136462642 is an apocalyptic number.

445136462642 is a deficient number, since it is larger than the sum of its proper divisors (222601092154).

445136462642 is a wasteful number, since it uses less digits than its factorization.

445136462642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953612.

The product of its digits is 3317760, while the sum is 47.

The spelling of 445136462642 in words is "four hundred forty-five billion, one hundred thirty-six million, four hundred sixty-two thousand, six hundred forty-two".