445403100321 has 16 divisors (see below), whose sum is σ = 660132285120. Its totient is φ = 296811272160.

The previous prime is 445403100319. The next prime is 445403100349. The reversal of 445403100321 is 123001304544.

It is a happy number.

It is not a de Polignac number, because 445403100321 - 2¹ = 445403100319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (445403100521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382195 + ... + 3511416.

It is an arithmetic number, because the mean of its divisors is an integer number (41258267820).

Almost surely, 2^445403100321 is an apocalyptic number.

It is an amenable number.

445403100321 is a deficient number, since it is larger than the sum of its proper divisors (214729184799).

445403100321 is a wasteful number, since it uses less digits than its factorization.

445403100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896013 (or 6896007 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 445403100321 its reverse (123001304544), we get a palindrome (568404404865).

The spelling of 445403100321 in words is "four hundred forty-five billion, four hundred three million, one hundred thousand, three hundred twenty-one".