445051345642 has 16 divisors (see below), whose sum is σ = 683122968000. Its totient is φ = 217344006432.

The previous prime is 445051345601. The next prime is 445051345709. The reversal of 445051345642 is 246543150544.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3908734 + ... + 4020982.

It is an arithmetic number, because the mean of its divisors is an integer number (42695185500).

Almost surely, 2^445051345642 is an apocalyptic number.

445051345642 is a deficient number, since it is larger than the sum of its proper divisors (238071622358).

445051345642 is a wasteful number, since it uses less digits than its factorization.

445051345642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158397.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 445051345642 in words is "four hundred forty-five billion, fifty-one million, three hundred forty-five thousand, six hundred forty-two".